Flowline LRXX Echo Pulse Radar Level Transmitter User Manual

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Document Author:	Phil

Rev 9_4
EchoPulse™
Radar Level Transmitter
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LR10, LR15, LR20, LR25 & LR30 Series Manual
Flowline Inc.
10500 Humbolt Street
Los Alamitos, CA 90720
Tel: (562) 598‐3015
Fax: (562) 431‐8507
www.flowline.com
INTRODUCTION
Section One
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Table of Contents
Page
Section One | Introduction: .................................................................................................................................................. 2
Table of Contents: ..................................................................................................................................................... 2
Sensor Models: .......................................................................................................................................................... 4
Operating Principle: .................................................................................................................................................. 4
Features: ................................................................................................................................................................... 4
Benefits: .................................................................................................................................................................... 4
Limitations: ................................................................................................................................................................ 4
Specifications: ........................................................................................................................................................... 5
Dimensions: ............................................................................................................................................................... 8
Safety Precautions: ................................................................................................................................................. 11
Section Two | Getting Started: ........................................................................................................................................... 12
Setup Overview: ...................................................................................................................................................... 12
Part Number: ........................................................................................................................................................... 14
Section Three | Install Sensor: ............................................................................................................................................ 16
Installation Requirements: ...................................................................................................................................... 16
LR15 Antenna Preparation: ..................................................................................................................................... 17
Mounting Position: .................................................................................................................................................. 18
Flange Riser Installation: ......................................................................................................................................... 20
Stand Pipe Installation: ........................................................................................................................................... 22
Sight Glass Installation: ........................................................................................................................................... 23
LR30 Sensor Installation: ......................................................................................................................................... 24
LR98 Display Installation: ........................................................................................................................................ 25
Section Four | Wire Sensor: ................................................................................................................................................ 26
Terminal Wiring: ..................................................................................................................................................... 26
LR30 Sensor to LR98 Display: .................................................................................................................................. 27
Wiring to Displays, Controllers & PLCs: ................................................................................................................... 28
Section Five | Configuration: .............................................................................................................................................. 30
Basic Configuration Overview: ................................................................................................................................ 30
Using the Display: .................................................................................................................................................... 31
Changing Display Values: ........................................................................................................................................ 32
Step 1 ‐ Measure the Tank: ..................................................................................................................................... 33
Step 2 ‐ Set the Units of Measurement: ................................................................................................................. 34
Step 3 ‐ Set the Empty Configuration (4mA): .......................................................................................................... 35
Step 4 ‐ Set the Full Configuration (20mA): ............................................................................................................ 36
Step 5 ‐ Set the Range (Maximum Range): ............................................................................................................. 37
Step 6 ‐ Set the Dead Band: .................................................................................................................................... 38
Step 7 ‐ Check the Echo Curve: ............................................................................................................................... 39
Section Six | Process Adjustments: ..................................................................................................................................... 40
Process Adjustments Overview: ............................................................................................................................. 40
Fast Filling or Emptying of Liquid: ........................................................................................................................... 41
Liquid Surface is Turbulent or Agitated: ................................................................................................................. 42
Foam on the Surface of the Liquid: ......................................................................................................................... 43
Sensor Installed in a Stand Pipe or Sight Glass: ...................................................................................................... 44
Page 2 of 72
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Rev 9_4
INTRODUCTION
Section One
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Section Seven | Advanced Adjustments: ........................................................................................................................... 45
Advanced Adjustments Overview: .......................................................................................................................... 45
4‐20mA Reverse Output: ........................................................................................................................................ 46
Fail‐Safe Output: ..................................................................................................................................................... 47
Minimum Current Output: ...................................................................................................................................... 48
Create a New False Echo Curve: ............................................................................................................................. 49
Update an Existing False Echo Curve: ..................................................................................................................... 50
Section Eight | Troubleshooting: ......................................................................................................................................... 51
Troubleshooting Overview: ..................................................................................................................................... 51
Measurement Status: .............................................................................................................................................. 52
Peak Values: ............................................................................................................................................................ 53
Simulation: .............................................................................................................................................................. 54
First Echo Adjustment: ............................................................................................................................................ 55
Echo Curve Zoom: ................................................................................................................................................... 56
False Echo Curve Delete: ......................................................................................................................................... 57
Reset: ...................................................................................................................................................................... 58
Section Nine | Appendix: ..................................................................................................................................................... 59
Configuration Menu: ............................................................................................................................................... 59
Empty Configuration: .............................................................................................................................................. 60
Full Configuration: ................................................................................................................................................... 60
Medium: .................................................................................................................................................................. 61
Low Dielectric Medium: .......................................................................................................................................... 62
Dampen: .................................................................................................................................................................. 63
Scaled Units: ............................................................................................................................................................ 63
Range: ..................................................................................................................................................................... 63
Dead Band: .............................................................................................................................................................. 63
Display Menu: ......................................................................................................................................................... 64
Display Value: .......................................................................................................................................................... 64
LCD Contrast: .......................................................................................................................................................... 64
Diagnostics Menu: ................................................................................................................................................... 65
Peak Values: ............................................................................................................................................................ 65
Measurement Status: .............................................................................................................................................. 65
Echo Curve: ............................................................................................................................................................. 66
Simulation: .............................................................................................................................................................. 66
Service Menu: ......................................................................................................................................................... 67
False Echo: ............................................................................................................................................................... 68
Output Settings: ...................................................................................................................................................... 68
Reset: ...................................................................................................................................................................... 69
Units of Measurement: ........................................................................................................................................... 69
Language: ................................................................................................................................................................ 69
Information: ............................................................................................................................................................ 70
Factory Settings: ...................................................................................................................................................... 70
User Configuration: ................................................................................................................................................. 70
Notes: ...................................................................................................................................................................... 71
Warranty: ................................................................................................................................................................ 72
Rev 9_4
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Page 3 of 72
INTRODUCTION
Section One
Sensor Models
Offered in five different models, EchoPulse™ is a general‐purpose, two‐wire, pulse radar level sensor that provides a
continuous 4‐20 mA current output that’s proportional to the liquid level in a tank or sump. Make sure that the model
purchased is appropriate for your application.
Series
Max Range
Material
Mounting
Application
LR10
32.81’
(10m)
PTFE
1‐1/2” NPT
Corrosive liquids under
simple process conditions
Storage tanks & process
tanks under difficult process
conditions
98.42’
(30m)
316L SS
LR20
65.61’
(20m)
316L SS with
PTFE cover
3” ANSI flange
4” ANSI flange
LR25
114.83’
(35m)
316L SS with
PTFE cover
4” ANSI flange
6” ANSI flange
LR30
98.42’
(30m)
PA66
Bracket or top
mounted (1”) conduit
Aggressive liquids under
extremely difficult process
conditions
Storage tank & process tanks
under extremely difficult
process conditions
Water processing, lift
stations, storm water and
sump process conditions
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LR15
1‐1/2” NPT
3” ANSI flange
4” ANSI flange
6” ANSI flange
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Operating Principle
The sensor emits a microwave pulse from its antenna, which travels at the speed of light to the surface of the medium
below. A portion of that energy reflects off the medium and returns to the antenna. The time gap between energy
emission and receipt is called the “time of flight”, and is proportional to the distance between the medium surface and
the sensors measurement location, which is typically located at the bottom of the antenna. The sensor measures the
time of flight and translates this value into a continuous 4‐20mA signal output that’s proportionate to level within a
defined measurement span.
Features
 Easy configuration with LCD push button display module
 Adjustable loop fail‐safe, no change, 20.5 mA, 22 mA
 Small 12” (30.48cm) dead band enables full tank measurement
 Recognition, storage and deletion of false echo signal returns
Benefits
 Unaffected by physical process and environmental conditions
 Ideal for applications with higher temp, pressure, foam and vapor
 Strong signal penetrability with minimal attenuation over distance
Limitations (factors that could influence performance)
 Air particulates with a high dielectric constant value such as lead or ferroalloy
 Highly dense air particulates that attenuate microwave emission and receipt
 Material build‐up on the antenna that degrades microwave emission and receipt
 Mediums with an extremely low dielectric constant value with little reflectivity
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INTRODUCTION
Section One
Specifications
Measurement Range:
Series
Range (Max)
Dead Band:
LR10
32.81 ft
(10m)
LR15
98.42 feet
(30m)
LR20
65.61 feet
(20m)
LR30
98.42 feet
(30m)
12” (30.48cm) / Factory Set
Note: Can be lowered to 2” from the bottom of the antenna
(see charts on Page 7)
Measurement Accuracy:
Series
Accuracy
LR10
±5 mm
Display Resolution:
Frequency Range:
LR15
±3mm
LR20
±3mm
LR25
±10mm
LR30
±3mm
1 mm
LR10, LR15, LR20, LR30: ...... 26 GHz
LR25: ................................... 6.3 GHz
About 1 sec (dependent on configuration settings)
About 1 sec (dependent on configuration settings)
See part number description
LR15
LR20
LR25
316L SS
Aluminum
316L SS
316L SS with PTFE Cover
N/A
Viton
Silicone (between housing and cap)
Polycarbonate
Stainless Steel
N/A
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LR10
N/A
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PTFE
PBT‐FR
Series
Flange
Enclosure
Antenna
Extension
Seal
Seal Ring
Window
Ground Terminal
Bracket
Process Connection:
Material:
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Measurement Interval:
Adjustment Time:
LR30
N/A
PA66
PA66
N/A
304 SS
Depends on process connection size and housing
Weight:
LR25
114.83 feet
(35m)
Series
Weight
LR10
2.20 lbs
(1kg)
LR15
4.41 lbs
(2kg)
LR20
6.61 lbs
(3kg)
LR25
6.61 lbs
(3kg)
LR30
2.2 lbs
(1kg)
Temperature:
Series
Process
Temp
Storage
Temp
Relative Humidity:
Rev 9_4
LR10
F: ‐40° to 266°
C: ‐40° to 130°
LR15
F: ‐76° to 302°
C: ‐60° to 150°
LR20
F: ‐40° to 302°
C: ‐40° to 150°
F: ‐40° to 176°
C: ‐40° to 80°
LR25
F: ‐40° to 266°
C: ‐40° to 130°
LR30
F: ‐40° to 212°
C: ‐40° to 100°
<95%
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INTRODUCTION
Section One
Process Pressure:
Series
Pressure
LR10
‐14.5 to 43.5 psi
(‐1 to 3 bar)
LR15
‐14.5 to 150 psi
(‐1 to 10.3 bar)
LR20
‐14.5 to 72.5 psi
(‐1 to 5 bar)
LR25
‐14.5 to 580 psi
(‐1 to 40 bar)
LR30
Atmospheric
Mechanical vibration 10m/s, 10m2/s, 10 ‐150 Hz
Vibration Proof:
Output:
Signal Output:
Resolution:
Fail‐Safe Setting:
Load Resistance:
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4‐20mA
1.6µA
20.5mA, 22mA or no change
See chart below
0‐40 sec, adjustable
Cable Connection:
24 VDC (16 to 26 VDC) The same two‐wire connection cable carries power supply and
current signal.
22.5mA maximum
Cable Entry/Plug:
Spring Connection Terminal:
Certification:
Compliance:
Classification:
Page 6 of 72
<1V
<10mV
LR10, LR15, LR20, LR25: ………… IP67 (NEMA 6)
LR30: ………………………………………IP68 (NEMA 6P)
Standard 2‐wire shielded cable with earth ground wire and outside diameter of 5‐9mm
is recommended.
LR10, LR15, LR20, LR25: ............. Dual cable entry (½” NPT with adapter, M20x1.5)
LR30: ........................................ One cable entry (1” NPT)
Applicable for cables with cross section if 2.5mm2
General Purpose: cTUVus (UL 61010‐1:2012 & CAN/CSA‐C22.2 No. 61010‐1‐12)
Communication: FCC (US)
CE [EN61326 (1997 w/A1:98, A2:01 & A3:03) Class A]
RoHS
General Purpose
Power Consumption:
Ripple Allowed:
<100Hz:
100 to 100 KHz:
Enclosure Rating:
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Integration Time:
Power:
Power Supply:
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INTRODUCTION
Section One
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Accuracy Charts
Rev 9_4
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INTRODUCTION
Section One
LR15 Series (Threaded)
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LR10 Series
LR15 Series (Threaded) Antenna Dimensions
Diameter (X)
Length (Y)
2” (48mm)
5.51” (140mm)
3” (78mm)
8.94” (227mm)
4” (98mm)
11.34” (288mm)
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LR15 Series (Flange)
LR15 Series (Flange) Dimensions
Flange (A)
Diameter (B)
Thickness (C)
3” ANSI
7.5” (190.5mm)
0.88” (22.3mm)
4” ANSI
9.0” (228.6mm)
0.88” (22.3mm)
6” ANSI
11.0” (279.4mm)
0.94” (23.9mm)
LR15 Series (Flange) Antenna Dimensions
Diameter (D)
Length (E)
Page 8 of 72
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2” (48mm)
6.36” (161.5mm)
3” (78mm)
9.78” (248.5mm)
4” (98mm)
12.18 (309.5mm)
Rev 9_4
INTRODUCTION
Section One
LR25 Series
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LR20 Series
LR20 Series Flange / Antenna Dimensions
Flange
Diameter
Thickness
Length
(A)
(B)
(C)
(D)
3”
7.5”
0.88”
6.50”
ANSI
(190.5mm)
(22.3mm)
(165mm)
4”
9.0”
0.88”
8.00”
ANSI
(228.6mm)
(22.3mm)
(203mm)
Rev 9_4
LR25 Series Flange / Antenna Dimensions
Flange
Diameter
Thickness
Length
(A)
(B)
(C)
(D)
4”
9.0”
0.57”
5.71”
ANSI
(228.6mm)
(14.5mm)
(145mm)
9.75”
6”
11.0”
0.63”
(247.7mm)
ANSI
(279.4mm)
(16.1mm)
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INTRODUCTION
Section One
LR30 Series Bracket (Top View)
LR30 Series (Side View A)
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LR30 Series (Side View B)
LR98 Series Display
(Front View)
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LR98 Series Display
(Bottom View)
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LR98 Series Display
(Side View)
Rev 9_4
INTRODUCTION
Section One
Safety Precautions
About this Manual: PLEASE READ THE ENTIRE MANUAL PRIOR TO INSTALLING OR USING THIS PRODUCT. This
manual includes information on the EchoPulse™ Radar Level Transmitter from FLOWLINE. Please refer to the part
number located on the sensor label to verify the exact model, which you have purchased.
User’s Responsibility for Safety: FLOWLINE manufactures a broad range of level sensing technologies. While each
of these sensors is designed to operate in a wide variety of applications, it is the user’s responsibility to select a sensor
model that is appropriate for the application, install it properly, perform tests of the installed system, and maintain all
components. The failure to do so could result in property damage or serious injury.
Proper Installation and Handling: Only professional staff should install and/or repair this product. Never over
tighten the sensor within the fitting. Always check for leaks prior to system start‐up.
Wiring and Electrical: A supply voltage of 16 to 26 VDC is used to power the EchoPulse™. Electrical wiring of the
sensor should be performed in accordance with all applicable national, state, and local codes.
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Material Compatibility: The enclosure is made of either Aluminum or 316 Stainless Steel (refer to sensor part
number). The antenna is made of Stainless Steel (SS), Polytetrafluoroethylene (PTFE) or Nylon (PA66) with a Viton seal
(refer to sensor part number). Make sure that the model, which you have selected, is chemically compatible with the
application media.
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Enclosure: The sensor housing is liquid‐resistant, but is not designed to be operational when immersed (LR30 series
is designed for submersion but will not provide a true level reading while submersed). Mount the sensor in such a way
that the enclosure and antenna do not come into contact with the application media under normal operational
conditions. The enclosure has a cover that provides access to the push button display module and terminal strip for
wiring. To open the enclosure, you will need to twist the cover counter‐clockwise. Before closing the enclosure, make
sure that the enclosure gasket is properly seated, and that any conduit fittings, cable connectors or plugs are installed
correctly and sealed. Note: If using the Flowline LM90‐1001 (liquid tight fitting) on the ½” conduit, the cable minimum is
0.170” (4.3mm) and the maximum is 0.450” (11.4mm).
Make a Fail‐Safe System: Design a fail‐safe system that accommodates the possibility of sensor and/or power
failure. FLOWLINE recommends the use of redundant back‐up systems and alarms in addition to the primary system.
Flammable, Explosive or Hazardous Applications: EchoPulse™ is approved for use within general purpose
applications ONLY and should NOT be used within classified hazardous environments.
Handling Static‐Sensitive Circuits and Devices: When handling the instrument (part), the technician should follow
the below guidelines to reduce the possibility of an electrostatic charge build‐up on the technician’s body from being
transferred to the electronic part. Always touch a known good ground source before handling a part. This should be
repeated while handling the part and more frequently after sitting down from a standing position, sliding across the seat
or walking a distance. Avoid touching electrical terminals of the part unless making connections. DO NOT open the unit
cover until it is time to work on the part.
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Page 11 of 72
GETTING STARTED
Section Two
Setup Overview
The below highlights the initial steps in setting up your sensor for operation.
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1. Part Number (Section Two)
1. Prior to purchasing the sensor, you should have submitted a Level Application Questionnaire
(www.flowline.com/LAQ), which based upon the information provided, may have resulted in a
suggested part number. Where so, confirm that the suggested part number matches the part number
of the purchased sensor. If any of the above does not match and/or meet your application
requirements, please contact your distributor.
2. Install Sensor (Section Three)
1. Information on the location and mechanical installation of the sensor.
3. Wire Sensor (Section Four)
1. Information on the electrical wiring and power requirements of the sensor.
4. Basic Configuration (Section Five)
1. Begin by measuring the tank for all key dimensions.
a. Accuracy in measurement will result in accuracy of sensor performance.
2. Set the Units of Measurement for the sensor.
a. Units can be configured in basic engineering units of length: Feet, Meters
3. Set the Empty Configuration for the sensor in the tank.
a. This is the 4mA setting for the output.
4. Set the Full Configuration for the sensor in the tank.
a. This is the 20mA setting for the output.
5. Set the Range (Maximum Range or MaxR) for the sensor in the tank.
a. The sensor will ignore any echo signal returns beyond this setting.
6. Set the Dead Band (Minimum Range or MinR) for the sensor in the tank.
a. The sensor will ignore any echo signal returns closer than this setting.
7. Check the Echo Curve
a. This is a quick check to determine if the sensor is reading the correct level.
5. Process Adjustments (Section Six)
1. Information on OPTIONAL adjustments for specific process conditions that may exist in your application.
a. Fast filling or emptying of liquid.
b. Liquid surface is turbulent or agitated.
c. Foam on the surface of the liquid.
d. Sensor installed in a still well or sight glass.
Page 12 of 72
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GETTING STARTED
Section Two
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6. Advanced Adjustments (Section Seven)
1. Reverse 4‐20 mA Output
a. Reverses the current out from 4mA @ bottom and 20mA @ top of tank to 20mA @ bottom and
4mA @ top of the tank.
2. Fail‐Safe Setting
a. Allows for the presetting of the current output when a sensor failure occurs.
3. Minimum Current Setting
a. Sets the minimum current output for the sensor.
4. Create a New False Echo Curve
a. A method to map out false echo signal returns within the tank.
5. Update an Existing False Echo Curve
a. A method to update false echo signal returns for a section of the tank that was not exposed
during the creation of the original False Echo Curve.
7. Troubleshooting (Section Eight)
1. Measurement Status
a. Determines the measurement reliability and general status of the sensor.
2. Peak Values
a. Displays the lowest and highest level height that the sensor has measured in distance (d).
3. Simulation
a. Simulates and helps to determine the accuracy and linearity of the sensor.
4. First Echo Adjustment
a. Increases or decreases the strength of the first echo signal return.
5. Echo Curve Zoom In
a. A method to zoom in and view the Echo Curve over a specific range.
6. False Echo Curve Delete
a. A method to delete a previously saved False Echo Curve from memory.
7. Reset
a. A method to reset the sensor’s configuration to the original factory setting.
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Page 13 of 72
GETTING STARTED
Section Two
Part Number
Prior to purchasing the sensor, you should have submitted a Level Application Questionnaire (www.flowline.com/LAQ),
which based upon the information provided, may have resulted in a suggested part number. Where so, confirm that the
suggested part number matches the part number of the sensor. The part number can be found on the outside label on
the sensor as shown below:
LR15 Series
LR20 Series
LR25 Series
LR30 Series
LR10 Series
LR10 ‐ 0
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The part number will indicate the size and type of mounting fitting required for installing the sensor. Refer to the below
part number description for specific information. If any of the above does not match and/or meet your application
requirements, please contact your distributor.
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Housing Material
0 ‐ Aluminum
Process Connection
0 ‐ Thread 1 ½" NPT
Output
1 ‐ 4‐20 mA
Approval
0 ‐ General Purpose (cTUVus)
LR15 ‐ 0
Page 14 of 72
‐
Housing Material
0 ‐ Aluminum
Process Connection
0 ‐ Thread 1 ½" NPT
3 ‐ ANSI Flange
Output
1 ‐ 4‐20 mA
Approval
0 ‐ General Purpose (cTUVus)
Antenna Size
2 ‐ 2" (48mm) Horn
3 ‐ 3" (78mm) Horn
4 ‐ 4" (98mm) Horn
Flange Size
0 ‐ Threaded Conn.
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GETTING STARTED
Section Two
LR20 ‐ 0
1 0
‐
Housing Material
0 ‐ Aluminum
Process Connection
3 ‐ ANSI Flange
Output
1 ‐ 4‐20 mA
Approval
0 ‐ General Purpose (cTUVus)
Flange Size
3 ‐ 3" Flange (ANSI)
4 ‐ 4" Flange (ANSI)
LR25 ‐ 0
1 0
‐
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Housing Material
0 ‐ Aluminum
Process Connection
3 ‐ ANSI Flange
Output
1 ‐ 4‐20 mA
Approval
0 ‐ General Purpose (cTUVus)
Flange Size
4 ‐ 4" Flange (ANSI)
6 ‐ 6" Flange (ANSI)
LR30 ‐ 0
‐
Housing Material
0 ‐ Nylon (PA66)
Mount
0 ‐ Bracket
Output
1 ‐ 4‐20 mA
Approval
0 ‐ General Purpose (cTUVus)
Display (LI98‐1001)
1 ‐ With Display
Rev 9_4
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Page 15 of 72
INSTALL SENSOR
Section Three
Installation Requirements
EchoPulse™ measures the distance between the sensor and the liquid surface below. Typically, all measurements from
the sensor originate from the bottom of the antenna. Refer to the Measurement Reference Chart to determine the
location where measurement originates on your sensor. To ensure reliable measurement, adhere to the following
minimum installation requirements:
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1. There are no obstructions between the bottom edge of the installed antenna and the surface of the liquid below
including ladders, walls, tank seams, liquid inflows, rails, other sensors, mixer blades, heating coils, pumps, struts
or apparatus. Note: Additionally, when the sensor transmits a microwave pulse, the RF signal spreads in a conical
shape (determined by its beam angle) over distance. Refer to the Beam Angle Chart to determine, what if any,
additional measurement space is required to be free of such obstacles. If such items are present, then a False
Echo Curve configuration must be done (Section Seven).
2. The sensor must be installed with the antenna perpendicular to the surface of the liquid.
3. The sensor must be installed with a distance ≥ 19.7” (500mm) from the side wall of the tank.
4. The liquid level must not be allowed to enter into the dead band (blanking zone) of the sensor.
5. The sensor installation must be done in accordance with relevant local or federal safety regulations.
6. The sensor must be connected to electrical ground.
7. Do not use the housing to screw the sensor into the installation fitting (LR10 & LR15 Series).
1. Applying a tightening force against the housing may damage the sensor.
8. Make sure that all parts of the sensor exposed to the application, specifically any portion installed within the
tank, are suitable for the process.
1. Consider any effects from the application temperature, pressure or media.
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FCC Conformity
This instrument complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)
this instrument may not cause harmful interference, and; (2) this instrument must accept any interference
received, including interference that may cause undesired operation.
Changes or modifications not expressly approved by the manufacturer could void the user’s authority to operate
the equipment.
Warning: User must keep a safety distance of at least 20cm from the antenna.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference when the equipment is operated in a commercial environment. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual,
may cause harmful interference to radio communications. Operation of this equipment in a residential area is
likely to cause harmful interference in which case the user will be required to correct the interference at his own
expense.

Page 16 of 72
This equipment is not allowed to be connected to public utility power lines.
MN301700
Rev 9_4
INSTALL SENSOR
Section Three
LR15 Antenna Preparation
The LR15 Series antenna (only) may be removed from the sensor to allow a flange or reducer bushing accessory to be
attached to the 1 ½” NPT mounting threads and/or, the antenna may be inserted from within the inside of the tank
through the bottom of an existing fitting (where the base of the antenna is too wide to pass through the fitting from the
top). Referencing the illustrations, follow the below steps to disconnect, mount and reattach the antenna.
1) Loosen and remove the four (4) socket screws using a 3mm Allen wrench.
2) Carefully remove the antenna. Note: Do not remove or damage the plastic cone within the antenna socket.
3) Insert the antenna through the bottom of the fitting. Note: If doing so from the inside of the tank, make sure to
secure it, so as to prevent the antenna from falling into the tank.
4) Connect the sensor to the antenna socket and reattach the four (4) screws using a 3mm Allen wrench.
5) Attach the sensor to the fitting as necessary.
Connect Antenna to
Sensor, Attach Screws
Remove Antenna
Thread Sensor to
Flange
Rev 9_4
Remove Antenna
Remove Screws
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Remove Screws
Add a Flange
Insert Antenna
Add a Reducer Bushing
Insert Antenna
MN301700
Connect Antenna to
Sensor, Attach Screws
Thread Sensor to
Reducer Bushing
Page 17 of 72
INSTALL SENSOR
Section Three
Mounting Position
The minimum distance (independent of beam angle) that the
sensor can be mounted next to the straight side wall of the tank
is 19.7” (500mm) as measured from the sensor centerline to the
side wall. If you are not able to install the sensor more than
19.7” (500mm) away from the side wall, or if there is material
build up on the side wall (within the beam angle), perform a
False Echo Curve during initial configuration.
Avoid mounting the sensor in the center of a dome top tank. The center of such a tank will multiply the echoes, making
sensor operation difficult.
 Correct Mounting 
Sensor mounted off center in a dome
top tank.
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 Incorrect Mounting 
Sensor mounted in the center of a
domed top tank resulting in multiple
echoes.
In cone bottom tanks, it can be advantageous to mount the sensor in the center of the tank, making it possible for the
sensor to measure closer to the bottom of the tank. If the sensor is mounted over an angled bottom, and the level
drops below the angle, the echo will be deflected away from the sensor, resulting in poor operation. The sensor can be
mounted over an angled bottom as long as the level is maintained within the straight side wall so the sensor will receive
echo returns.
Center Mount ‐ Correct
Page 18 of 72
Level Below Side Wall ‐ Incorrect
MN301700
Level Above Side Wall – Correct
Rev 9_4
INSTALL SENSOR
Section Three
Mount the Sensor Perpendicular to the Liquid Level
Always mount the sensor perpendicular to the surface of the liquid. This will
enable the return echoes to reach the sensor. Mounting the sensor off‐axis will
result in weaker return echoes or no return echoes, depending on the degree
of angle.
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Consider the Dead Band
The sensor has a dead band (blanking distance) of 12” (30.48mm) as its default.
The dead band can be lowered to within 2” of the bottom of the antenna
(consult with factory). This is an up close distance where the sensor is not
able to measure the level within this range. Typically, the measurement
location for the sensor is at the bottom of the antenna. When identifying a
location for sensor installation, take into account the length of the antenna
combined with the dead band of the sensor.
Avoid Condensation in the Conduit
You can give your instrument additional protection against moisture
penetration by leading the conduit connection or cable downward in front of
the cable entry. Condensation in the conduit will thus not enter the sensor
enclosure.
Rev 9_4
MN301700
Page 19 of 72
INSTALL SENSOR
Section Three
Avoid Obstructions in the Beam Path
Do not mount the sensor in or above the fill stream, other equipment (ladders, pumps, mixers) or structures within the
beam path of the sensor. Such items can create false echo returns and prevent the actual level from being seen by the
sensor. Find a location where the sensor has a clear view of the liquid surface. If your tank has other equipment near or
within the beam path of the sensor, a False Echo Curve should be performed during initial configuration.
 Fill Stream Mounting 
Mounting on left incorrectly positions
sensor above the tank fill stream inlet.
Mounting on right is correct as the
sensor has an unobstructed view to
the liquid level below.
SE
 Reflector Installation 
Mounting on left incorrectly allows
the sensor to receive false echo
returns from the step.
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Mounting on right has an angled
baffle‐board mounted over the step,
which prevents the false echo from
returning to the sensor. As such, the
sensor only receives correct echo
returns from the liquid level.
Flange Riser Installation
When installing the sensor on a flange with a riser (or any fitting that is tall and narrow), the antenna must protrude at
least 0.4” (10mm) from the bottom of the riser. The sensor can be installed within the riser as long as the liquid has a
strong reflective property (dielectric constant) providing a strong echo return. The below information describes the
maximum distance that the antenna can be recessed within a riser based on the diameter and height of the fitting.
Antenna Extension
LR15 Series
LR10 & LR15 Series
Height (H)
Diameter (D)
1‐½”
7.9” (200mm)
2” (50mm)
9.8” (250mm)
3” (80mm)
11.8” (300mm)
4” (100mm)
19.7” (500mm)
6” (150mm)
31.5” (800mm)
LR20 Series
LR20 & LR25 Series
Diameter (D)
Height (H)
3” (80mm)
11.8” (300mm)
4” (100mm)
19.7” (500mm)
6” (150mm)
31.5” (800mm)
Page 20 of 72
MN301700
Rev 9_4
INSTALL SENSOR
Section Three
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Agitator or Mixer
If there are agitators or mixers in the tank, the sensor
should be mounted as far away from the blades as
possible. Once the installation is complete, a False Echo
Curve should be preformed while the agitator or mixer is
in motion to map out and eliminate false echo returns
from the blades. If significant foam and/or agitation exists
within the application, a stand‐pipe installation should be
considered.
Rev 9_4
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Page 21 of 72
INSTALL SENSOR
Section Three
Stand Pipe Installation
To avoid issues from turbulence, substantial foam or other equipment in the sensors beam path, install the sensor
within a stand pipe (still well). A stand pipe installation can be used with liquids with a dielectric constant as low as 1.9.
Note: The use of a stand pipe is not recommended with liquids that significantly coat or scale. As a rule, if the inside wall
of the tank has material build‐up, then the inside of the stand pipe will also have build‐up that will affect the sensor’s
operation. When installing a sensor in a stand pipe, follow the below guidelines:
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1. The Full Configuration setting (20mA) must be below the upper vent hole and the bottom of the antenna.
2. The Empty Configuration setting (4mA) is typically placed at or near the bottom of the stand pipe.
3. The Stand Pipe function must be activated. It can be found under Medium in the Configuration Menu. The
inner diameter of the stand pipe must be entered within this function.
4. It is recommended to perform a False Echo Curve when the sensor is installed in a stand pipe.
Stand Pipe Construction
1. The stand pipe material must be metal with a smooth inner pipe wall. The minimum pipe size is dependent upon
the Series and antenna length. The LR10 and LR15 sensor can be applied in pipe sizes ≤ 3” (76.2mm).
2. Any welded joint must be straight with a gap size ≤ 1/254” (0.1 mm).
3. Flanges should be welded to the stand pipe tube.
4. In the case of a pipe extension with a welded neck flange or pipe collar, make sure the inner surfaces are aligned
and accurately joined together.
5. When securing the pipe to the tank, do not weld through the pipe wall.
1. Roughness on the inside caused by unintentional pipe penetration should be removed.
2. Not doing so will cause strong false echo returns and encourage buildup within the pipe.
6. The diameter of any holes along the pipe must be ≤ 1/5” (5 mm).
1. The top ventilation hole must be above the Full Configuration setting (20mA).
2. The holes must be vertically aligned on one side of the pipe with all burrs removed.
3. The number of holes does not matter.
7. The inner diameter of the pipe cannot change over the entire pipe length.
Page 22 of 72
MN301700
Rev 9_4
INSTALL SENSOR
Step Three
Sight Glass Installation
An alternative to a stand pipe is installing the sensor within a sight glass mounted outside of the tank. Sight glass
installations can avoid issues from turbulence, substantial foam or other equipment in the sensors beam path. Note:
The use of a sight glass is not recommended with liquids that significantly coat or scale. As a rule, if the inside wall of the
tank has material build‐up, then the inside of the sight glass will also have build‐up that will affect the sensor’s operation.
When installing a sensor in a sight glass, follow the below guidelines:
SE
1. The Full Configuration setting (20mA) must be placed at or below the upper
tank connection pipe.
2. The Empty Configuration setting (4mA) must be placed at or above the bottom
tank connection pipe.
3. The Stand Pipe feature must be activated. It can be found under Medium in the
Configuration Menu. The inner diameter of the sight glass must be entered
within this function.
4. It is recommended to perform a False Echo Curve when the sensor is installed
in a sight glass.
EL
EA
Sight Glass Construction
1. The sight glass material must be metal with a smooth inner pipe wall. The
minimum pipe size is dependent upon the Series and antenna length. The LR10
and LR15 sensor can be applied in pipe sizes ≤ 3” (76.2mm).
2. There is a minimum distance >11.8” (>300mm) between the bottom of the
antenna and the top edge of the upper tank connection pipe.
3. Any welded joints must be straight with a gap size ≤ 1/254” (0.1 mm).
4. Flanges should be welded to the sight glass tube.
5. The inner diameter of the sight glass cannot change over the entire pipe length.
Stand Pipe / Sight Glass Pipe Size vs. Series
Series
LR10: All
LR15: 2” Antenna
3” Antenna
4” Antenna
LR20: 3” Antenna
4” Antenna
LR25: 4” Antenna
6” Antenna
LR30: All
Rev 9_4
Minimum Pipe
2”
2”
3”
4”
3”
4”
4”
6”
N/A
MN301700
Maximum Pipe
3”
8”
8”
8”
N/A
Page 23 of 72
INSTALL SENSOR
Section Three
LR30 Sensor Installation
The LR30 is unique within the EchoPulse™ sensor family. It is designed for use in water processing, lift stations, storm
water and sump process conditions, which require the sensor to be installed in locations that are often below grade
where flooding is a possibility. The design of the sensor allows for the unit to be submersed. While the sensor will not
be damaged while submersed, the sensor will not provide correct level readings when submersed. Note: Do not
attempt to open the sensor housing. Doing so will damage the seal, allow moisture into the sensor, and cause a sensor
failure. The sensor also features a submersion resistant 10m cable and IP67 remote push button display module (LR98
described on the following page) through which the sensor can be configured and the level will be displayed.
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Mount the Sensor Perpendicular to the Liquid Level
Bracket or Conduit Mount
Mounting from the bracket or from the 1” conduit connector are both acceptable mounting methods. The
measurement location for all readings is located at the bottom of the sensor. Remember to take into account the
installed insertion length of the sensor when calculating level height within the sump. Note: Never mount the sensor
hanging from the cable. This type of installation will not secure the sensor, may damage the cable connection and will
result in inconsistent level readings as the sensor sways.
Page 24 of 72
MN301700
Rev 9_4
INSTALL SENSOR
Section Three
LR98 Display Installation
The LR98 is a wall mount IP67 remote push button display module that’s used to configure and display level readings
from the LR30 sensor. The LR98 should be mounted in a location where the display can be easily read. Note: The LR30
cable length is 32.8’ (10m) which is also the maximum signal distance between the LR30 and LR98. Take that into
account when selecting the LR98 mounting location and use the below drill‐hole template for installing the display.
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LR98 Rear View
Note: Make sure that the LR98 display is mounted in an above grade location where it will not become submersed.
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MN301700
Page 25 of 72
WIRE SENSOR
Section Four
Remove the Display
To access the terminal strip and conduit ports, you first
need to remove the display. Gently twist the display
counter‐clockwise until you feel the display unlock from
the housing. Next, lift the display from the housing to
view the terminal strip and wire access ports. Note: This
procedure applies to all sensors including the LR30 with
its LR98 remote display.
Supply Voltage
The sensor power supply and current signal share the same two‐wire shielded cable. The sensor supply voltage should
never exceed 26 VDC. Always provide complete electrical and physical separation between the sensor supply circuit and
the main circuit. Note: Remember that the output voltage of the power supply can be lower under nominal load (with a
sensor current of 20.5 mA or 22 mA) and/or with the addition of other instruments placed within the circuit. If voltage
spikes or surges are expected, adequate isolation protection must also be provided.
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Terminal Wiring
EL
The positive (+) and Negative (‐) terminals are for connection to a 24 VDC power supply or to a 4‐20 mA loop power source.
The wire to the terminals can be extended up to 1,000 feet using 22 gauge or larger wire.
The sensor should be wired with shielded 2‐conductor cable (16 to 22 AWG) to protect from electromagnetic
interference. If using a liquid tight connector, select a cable with an outer diameter that is designed to ensure an
effective seal with the connector [typically between 0.20” to 0.35” (5 to 9 mm)].
Electrical, Usage and Safety
1. Wiring should always be done by a licensed electrician in accordance with national, state and local codes.
2. Never use a general purpose (cTUVus) sensor (LR10, LR15, LR20, LR25, LR30 Series) in environments classified as
hazardous.
3. Where personal safety or significant property damage can occur due to a spill, the installation must have a
redundant fail‐safe backup system installed which accounts for sensor and/or power failure.
Page 26 of 72
MN301700
Rev 9_4
WIRE SENSOR
Section Four
LR30 Sensor to LR98 Display
The LR98 display is used with the LR30 sensor. The attached 8‐conductor sensor cable
will wire directly into the display terminals. A shielded two‐wire cable (user supplied) is
required to provide power to and the current output signal from the display.
LR98 Display Terminals
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LR98 Display Removal
Remove the display (as described on the previous page) to access the input and
output terminals within the LR98 display.
2. Referencing the below diagram, connect the appropriately colored 6‐conductors
(of 8 total) from the LR30 sensor cable to Out [(+) & (‐)] & terminals 1‐4 on the
LR98 display.
3. The remaining 2‐conductors (Green and Yellow w/ Stripe) will not be used.
4. Finally, connect the 2‐conductors (from the user supplied Cable) for loop power
input and current output to the (+) and (‐) terminals on the LR98 display.
1.
Note: The IN [Positive (+) and
Negative (‐)] terminals are for
connection to a 24 VDC power
supply or 4‐20 mA loop power
source. The 4‐20mA wires to
the LR98 terminals can be
extended up to 1,000 feet
using 22‐gauge or larger
wires. These terminals are
equivalent to the (+) and (‐)
terminals described on the
previous page.
Rev 9_4
MN301700
Page 27 of 72
WIRE SENSOR
Section Four
Wiring to Displays, Controllers & PLC’s
Below are examples of how to wire EchoPulse™ to common displays, controllers and PLC’s.
DataView™ LI55 Series
Level Controller
DataLoop™ LI25 Series
Level Indicator
(With Backlight)
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DataLoop™ LI25 Series
Level Indicator
(Without Backlight)
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Commander™ LI90 Series
Multi‐Tank Level Controller
Page 28 of 72
MN301700
Rev 9_4
WIRE SENSOR
Section Four
Wiring to Displays, Controllers & PLC’s
DataPoint™ LC52 Series
Level Controller
(*JWA Mode ‐ Factory Setting)
Generic PLC
EL
Generic Loop
Powered Display
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DataPoint™ LC52 Series
Level Controller
(*JWB Mode)
* Refer to the DataPoint™ LC52 Series Level Controller manual for information on JWA mode and JWB mode settings in
the controller.
Rev 9_4
MN301700
Page 29 of 72
CONFIGURATION
Section Five
Basic Configuration Overview
Below are the 7 basic steps to configure the sensor for operation. Each step is described in detail on the following pages
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1. Measure the Tank
1. Begin by measuring the key tank and fitting dimensions. Correct tank dimensions will result in accurate
sensor measurement.
2. Set the Units of Measurement
1. Units can be configured in basic engineering units of length including Feet or Meters.
3. Set the Empty Configuration
1. This is the empty setting (4mA) for the tank.
4. Set the Full Configuration
1. This is the full setting (20mA) for the tank.
5. Set the Range (Maximum Range or MaxR)
1. This is the maximum measurement range for the sensor. The sensor will ignore all echo returns beyond
this setting.
6. Set the Dead Band (Minimum Range or MinR)
1. This is the minimum measurement range for the sensor. The sensor will ignore all echo returns closer
than this setting.
7. Check the Echo Curve
1. This is a quick diagnostic tool to determine if the sensor is reading the correct level.
Page 30 of 72
MN301700
Rev 9_4
CONFIGURATION
Section Five
Using the Display
The display module features a dot matrix LCD display with 4 push buttons on a
removable puck. Out of the box, the display indicates level in feet and depicts the
level within the 4‐20mA span on a bar graph at the right side of the display. The four
buttons perform the following functions:
 Up Arrow
o Modify parameter values
o Choose display mode
 Right Arrow
o Choose configuration options
o Choose parameter digits to edit
o Display contents of parameters
 ENTER
o Enter Menu and Options
o Confirm configuration options
o Confirm changes to parameters
 ESCAPE
o Exit configuration mode
o Return to a higher menu level
o Display Echo Curve
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Menu Introduction
1. To enter the Main Menu (from the Main Screen), press the ENTER button.
2. Use the Right Arrow button to scroll through the Main Menu options.
1. Configuration ‐ Below are the configuration menu functions:
a. Empty Configuration
b. Full Configuration
c. Medium
d. Dampening
e. Output Mapping
f. Scaled Units
g. Scaling
h. Range
i. Dead Band
j. Sensor ID
2. Display ‐ This menu function sets the display mode and contrast.
3. Diagnostics ‐ Below are the diagnostic menu functions:
a. Measurement of Peak Values
b. Measurement Status
c. Echo Curve
d. Simulation
4. Service ‐ Within the service menu functions, you can store a False
Echo Curve, set units of measurement, change output settings, reset
configuration settings, set language or set a PIN for the sensor.
5. Info ‐ This item provides information on the sensor’s type, serial
number, date of manufacture and software version.
3. To select one of the functions, press ENTER.
4. To exit the programming mode, press ESC.
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Page 31 of 72
CONFIGURATION
Section Five
Changing Display Values
The numeric values are set using the Right Arrow and Up Arrow buttons. Press the Right Arrow button to select the
next digit and the Up Arrow button to increment the digit value. The digit being changed is highlighted. Press the Enter
button to accept a setting or the Esc button to exit without saving changes. The below exercise illustrates how to
change the value of an Empty configuration. Follow the steps to change the setting from 10.00 ft to 12.00 ft. This
example applies to all functional settings starting from the Main Menu.
From the Main Menu, press ENTER to advance into
the Configuration menu.
1.
The “+” sign will be highlighted on the screen.
2.
This is the adjustment for the percentage
setting.
Press ENTER to move down to the distance setting.
1.
4.
1.
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3.
From Empty configuration, press ENTER.
The first digit, “1”, will be highlighted.
EA
2.
Empty configuration will appear on the top
line of the screen.
Press Right Arrow to move one digit to the right.
1.
Use the Right Arrow button to move the digit
one space to the right.
2.
Pressing Right Arrow on the last digit will
jump back to the first digit.
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1.
Press UP ARROW to increase the digit from “0” to
“1”.
6.
Press UP ARROW to increase the digit from “1” to
“2”.
5.
Page 32 of 72
1.
Use the UP ARROW button to increase the
digit by one unit.
2.
After “9”, the display will jump back to “0”.
7.
Press ENTER to accept the setting as 12.00.
8.
Press ESCAPE to move back to the Main Menu.
MN301700
Rev 9_4
CONFIGURATION
Section Five
Step 1 ‐ Measure the Tank
Measuring the tank is one of the most important aspects in
configuring the sensor. When measuring the tank, take into
account the location of the sensor with respect to fittings,
risers, dome tops and bottoms, and identify where the
measurements are taken from the sensor. Note: The location
for measurement may be different among different sensor
Series, based upon the type of antenna. Refer to the
Measurement Reference Chart for the measurement location
of your sensor. The basic measurements for configuration
are described below:
Measurement Reference Chart
LR15 Series
LR10 Series
(Threaded Version)
LR20 Series
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LR15 Series
(Flange Version)
1. Distance from the sensor’s measurement location to
the bottom of the tank is the Range value. The Range
value is typically set at the bottom of the tank.
LR25 Series
LR30 Series
2. Distance from the sensor’s measurement location to
the empty or lowest liquid level in the tank is the
Empty Configuration.
1. Empty Configuration = 4mA setting.
2. With flat bottom tanks, the Range and Empty
Configuration values can be the same.
3. Distance from the sensor’s measurement location to
the full or highest liquid level in the tank is the Full
Configuration.
1. Full Configuration = 20mA setting.
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Page 33 of 72
CONFIGURATION
Section Five
Step 2 ‐ Set the Units of Measurement
This function sets the units for all measurement values to be entered into the sensor.
1. From the Main Screen, press Enter to advance into
the Main Menu.
2. Press Right Arrow repeatedly until the arrow is next
to Service.
3. Press Enter to advance into the Service menu (and
Echo curve will appear).
4. Press Right Arrow repeatedly until the menu shows
Units of Measurement.
5. Press Enter to advance into Units of Measurement.
6. Press Right Arrow to change the setting between
feet [ft (d)] and meters [m (d)].
SE
7. When the units are correct, press Enter to save the
setting.
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8. When done, press ESC to return to the Main Menu,
and press ESC a second time to return to the Main
Screen.
Page 34 of 72
MN301700
Rev 9_4
CONFIGURATION
Section Five
Step 3 ‐ Set the Empty Configuration (4mA)
This function sets the Empty Configuration point for the sensor corresponding 4mA to empty.
1. From the Main Screen, press Enter to
advance into the Main Menu.
2.
Press Enter to advance into the
Configuration Menu.
3.
Press Enter to advance into Empty
Configuration. The first percentage
segment will be highlighted.
4.
Press Enter again to switch to the
distance (d) setting.
SE
5. Press Right Arrow to move one
segment to the right. Right Arrow
will scroll left to right and then back
to the first segment.
7.
EA
6. Press Up Arrow to increase the value
of the number highlighted. Up Arrow
will scroll from 0 to 9 and back again.
When the value is correct, press
Enter to save the setting.
EL
8. When done, press ESC to return to
the Main Menu, and press ESC a
second time to return to the Main
Screen or; If you want to advance
directly into Full Configuration, press
Right Arrow.
Rev 9_4
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Page 35 of 72
CONFIGURATION
Section Five
2.
Press Enter to advance into the
Configuration Menu.
3.
Press Right Arrow to advance into
Full Configuration.
4.
Press Enter to advance into Full
Configuration. The first percentage
segment will be highlighted.
5.
Press Enter again to switch to the
distance (d) setting.
6.
Press Right Arrow to move one
segment to the right. Right Arrow
will scroll left to right and then back
to the first segment.
7.
Press Up Arrow to increase the value
of the number highlighted. Up Arrow
will scroll from 0 to 9 and back again.
8.
When the value is correct, press
Enter to save the setting.
9.
When done, press ESC to return to
the Main Menu, and press ESC a
second time to return to the Main
Screen or; If you want to advance
directly into Range, press Right
Arrow repeatedly until Range
appears.
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From the Main Screen, press Enter to
advance into the Main Menu.
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1.
Step 4 ‐ Set the Full Configuration (20mA)
This function sets the Full Configuration point for the sensor corresponding 20mA to full.
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MN301700
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CONFIGURATION
Section Five
Step 5 ‐ Set the Range (Maximum Range)
This function sets the maximum operational range (MaxR) for the sensor. This setting defines the maximum distance
that the sensor will detect valid echo returns.
1. From the Main Screen, press Enter to
advance into the Main Menu.
2. Press Enter to advance into the
Configuration Menu.
3. Press Right Arrow repeatedly until
the menu shows Range.
4. Press Enter to edit Range value. The
first segment will be highlighted.
SE
5. Press Right Arrow to move one
segment to the right. Right Arrow
will scroll left to right and then back
to the first segment.
7. When the value is correct, press
Enter to save the setting.
EL
8. When done, press ESC to return to
the Main Menu, and press ESC a
second time to return to the Main
Screen or; if you want to advance
directly into Dead Band, press Right
Arrow repeatedly until Dead Band
appears.
EA
6. Press Up Arrow to increase the value
of the number highlighted. Up Arrow
will scroll from 0 to 9 and back again.
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Page 37 of 72
CONFIGURATION
Section Five
Step 6 ‐ Set the Dead Band
This function sets the Dead Band for the sensor. This setting defines the minimum distance that the sensor will detect
valid echo returns. While the Dead Band setting is typically configured to be equal with or slightly above (higher in the
tank) the Full Configuration setting (20 mA), its functions independently of Full Configuration. Note: If the Dead Band
setting is placed below the Full Configuration setting, then the sensor will not measure above the Dead Band.
Dead Band Below Full Config.
Dead Band Above Full Config.
SE
Dead Band Equals Full Config.
2. Press Enter to advance into the
Configuration Menu.
EL
3. Press Right Arrow repeatedly until
menu shows Dead Band.
EA
1. From the Main Screen, press Enter to
advance into the Main Menu.
4. Press Enter to edit Dead Band value.
The first segment will be highlighted.
5. Press Right Arrow to move one
segment to the right. Right Arrow
will scroll left to right and then back
to the first segment.
6. Press Up Arrow to increase the value
of the number highlighted. Up Arrow
will scroll from 0 to 9 and back again.
7. When the value is correct, press
Enter to save the setting.
8. When done, press ESC to return to
the Main Menu, and press ESC a
second time to return to the Main
Screen.
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MN301700
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CONFIGURATION
Section Five
Step 7 ‐ Check the Echo Curve
This function displays the primary echo return(s) that the sensor is seeing graphically,
the location and amplitude of the return(s), and the numeric air gap distance from the
sensor’s measurement location to the liquid level below. Note: This step should only
be performed after having completed the prior six configuration steps with the sensor
installed on the tank. Additionally, if the sensor was installed in a stand pipe or sight
glass, now go forward to Section Six and turn on the still well function (Sensor
Installed in a Stand Pipe or Sight Glass) before continuing with this step.
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1. From the Main Screen, press ESC and the Echo Curve Screen will appear. The
curve graphically represents the primary echo return(s) amplitude (Y‐axis)
over distance (X‐axis). Above the echo return peak is a floating arrow and
triangle symbol (which under normal conditions are often merged together or
seen as a single triangle because it’s the larger of the two symbols). The
arrow represents the measured liquid level and the triangle represents the
peak amplitude location of the echo return. Under normal conditions, expect
to see a stable triangle (or overlapping arrow and triangle) floating above a
pronounced peak at the expected air gap distance between the measurement
location and liquid level.
EL
2. In the upper right hand corner of the screen are two lines of numbers that
represent the air gap distance from the measurement location to the liquid
level (arrow) on the top, and peak amplitude location (triangle) of the echo
return on the bottom. Under normal conditions, these values should be
relatively close to one another and consistent with the expected air gap
distance between the measurement location and liquid level.
3. Assuming that the sensor is properly installed, if the measured liquid level and
peak amplitude location data (symbols and values) are unstable, substantially
different from one another and/or inconsistent with the actual air gap
distance, then this likely indicates that the sensor requires additional process
adjustment(s) described in the following Section Six.
4. When done, press ESC to return to the Main Menu.
Rev 9_4
MN301700
Page 39 of 72
PROCESS ADJUSTMENTS
Section Six
Process Adjustments Overview
These optional functions are intended to improve sensor performance in applications with the below process and/or
installation characteristics. Note: These adjustments should only be performed when (after having completed the seven
configuration steps described in Section Five with the sensor installed on the tank) the sensor is not performing to your
satisfaction. Where so, perform the following applicable Process Adjustments.
Fast Filling or Emptying of the Liquid
Liquid Surface is Turbulent or Agitated Surface
Foam on the Surface of the Liquid
Sensor Installed in a Stand Pipe or Sight Glass
EL
EA
SE
1.
2.
3.
4.
Page 40 of 72
MN301700
Rev 9_4
PROCESS ADJUSTMENTS
Section Six
Fast Filling or Emptying of Liquid
If the speed of liquid level rise or fall within the tank is greater than a rate of 1” per second (25.4mm/sec), set Fast Level
Change to Yes. Note: Fast filling or emptying can occur when multiple pumps are operating or when a weather event
increases the amount of liquid entering the tank.
1. From the Main Screen, press Enter to advance
into the Main Menu.
Press Right Arrow to advance from Empty
Configuration to Full Configuration.
4.
Press Right Arrow to advance from Full
Configuration to Medium.
5.
Press Enter to advance into Medium. Liquid,
Solid, Low Dielectric will appear.
6.
Press Enter to advance into Liquid. Fast Level
Change will appear first.
7.
Press Enter to advance into Fast Level Change.
8.
Press Right Arrow to change the Fast Level
Change setting.
9.
When the setting is correct, press Enter to
save.
3.
SE
Press Enter to advance into the Configuration
Menu.
Fast Level Change
EL
EA
2.
Normal Level Change
10. When done, press ESC to return to Medium,
press ESC again to return to the Configuration
Menu, and press ESC a third time to return to
the Main Screen or; If you want to advance
directly into Turbulent Surface, press Right
Arrow repeatedly until Turbulent Surface
appears.
Rev 9_4
MN301700
Page 41 of 72
PROCESS ADJUSTMENTS
Section Six
Liquid Surface is Turbulent or Agitated
If the liquid surface is turbulent or agitated, set Turbulent Surface to Yes. Note: Turbulent or agitated surfaces can
occur when tanks are filled from the top without a down pipe, or when a mixer or air agitation is used within the tank.
1.
From the Main Screen, press Enter to
advance into the Main Menu.
2.
Press Enter to advance
Configuration Menu.
3.
Press Right Arrow to advance from
Empty
Configuration
to
Full
Configuration.
4.
Press Right Arrow to advance from Full
Configuration to Medium.
5.
Press Enter to advance into Medium.
Liquid, Solid, Low Dielectric will appear.
6.
Press Enter to advance into Liquid. Fast
Level Change will appear first.
7.
Press Right Arrow to advance from Fast
Level Change to First Echo.
8.
Press Right Arrow to advance from First
Echo to Turbulent Surface.
9.
Press Enter to advance into Turbulent
Surface.
SE
the
Agitation from Mixer
EL
EA
into
Turbulence from Tank Fill
10. Press
Right Arrow to change the
Turbulent Surface setting.
to save.
11. When the setting is correct, press Enter
12. When done, press ESC to return to
Medium, press ESC again to return to
the Configuration Menu, and press ESC a
third time to return to the Main Screen
or; If you want to advance directly into
Foam, press Right Arrow repeatedly
until Foam appears.
Page 42 of 72
MN301700
Rev 9_4
PROCESS ADJUSTMENTS
Section Six
Foam on the Surface of the Liquid
If the entire liquid surface is covered with foam, set Foam to Yes. This is not necessary if the liquid surface is partially
covered with foam. Note: Foam can occur when tanks are filled from the top without a down‐fill pipe, or when a mixer
or air agitation is used within the tank.
Press Enter to advance into the Configuration
Menu.
3.
Press Right Arrow to advance from Empty
Configuration to Full Configuration.
4.
Press Right Arrow to advance from Full
Configuration to Medium.
5.
Press Enter to advance into Medium. Liquid,
Solid, Low Dielectric will appear.
6.
Press Enter to advance into Liquid. Fast Level
Change will appear first.
7.
Press Right Arrow repeatedly until Foam 1.3.4
appears.
8.
Press Enter to advance into Foam.
9.
Press Right Arrow to change the Foam
setting.
2.
Heavy Foam – If foam covers
the entire surface of the
liquid, set Foam to Yes.
SE
From the Main Screen, press Enter to advance
into the Main Menu.
EL
EA
1.
Light Foam – If foam partially
covers the surface of the
liquid, set Foam to No.
10. When the setting is correct, press Enter to
save.
11. When done, press ESC to return to Medium,
press ESC again to return to the Configuration
Menu, and press ESC a third time to return to
the Main Screen or; If you want to advance
directly into Still Well, press Right Arrow
repeatedly until Still Well appears.
Rev 9_4
MN301700
Page 43 of 72
PROCESS ADJUSTMENTS
Section Six
Sensor Installed in a Stand Pipe or Sight Glass
If the sensor is installed in a metal stand pipe (still well) or metal sight glass, set Still Well to yes and enter the inner Pipe
Diameter dimension. Note: The Pipe Diameter will be entered in millimeters. For example, a 3” pipe can have an inner
diameter of 3.042”. To convert inches to mm, multiple inches by 25.4mm. Thus, a 3.042” pipe inner diameter equals
77.26mm. You would then enter the value of 77mm.
1. From the Main Screen, press Enter to advance
into the Main Menu.
Press Right Arrow repeatedly until menu shows
Medium.
4.
Press Enter to advance into Medium. Liquid,
Solid & Low Dielectric will appear.
5.
Press Enter to advance into Liquid. Fast Level
Change will appear first.
6.
Press Right Arrow repeatedly until Still Well
appears.
7. Press Enter to advance into Still Well.
3.
SE
Press Enter to advance into the Configuration
Menu.
EA
2.
Still Well or Stand Pipe
8. Press Right Arrow to change the setting from
No to Yes.
EL
9. Press Enter to enter the Pipe Diameter.
Sight Glass
10. Use the Right Arrow to move one segment to
the right. Right Arrow will scroll left to right
and then back to the first segment.
11. Use the Up Arrow to increase the value of the
number highlighted. Up Arrow will scroll from 0
to 9 and back again.
12. When the value is correct, press Enter to save.
13. When done, press ESC to return to Medium,
press ESC again to return to the Configuration
Menu, and press ESC a third time to return to
the Main Screen.
Page 44 of 72
MN301700
Rev 9_4
ADVANCED ADJUSTMENTS
Section Seven
Advanced Adjustments Overview
These optional functions are used to change the sensor output characteristics, or Create a False Echo Curve to filter out
false echo returns within the tank (improving sensor performance), or Update an existing False Echo Curve filter if the
original filter was not created during an empty tank condition.
1. 4‐20 mA Rev Output ‐ Reverses the
current output from 4mA @ bottom
and 20mA @ top of tank to 20mA @
bottom and 4mA @ top of the tank.
2. Fail‐Safe ‐ Allows for the presetting of
the current output when a sensor
failure occurs. Options are no change
to current, 20.5mA or 22mA.
SE
EL
5. Update an existing False Echo Curve ‐
A method to update an existing False
Echo Curve to include a lower section
of the tank that was not exposed
during the creation of the original
Echo Curve. Note: If you don't know
the location (level position) or validity
of the original False Echo Curve, it is
recommended to delete the original
Echo Curve, and then create a new
False Echo Curve (versus updating an
existing False Echo Curve).
EA
4. Create a new False Echo Curve ‐ A
method to filter out false echo returns
within the tank.
This should be
performed when the tank is at its
lowest level (empty).
3. Minimum Current ‐ Sets the minimum
current output for the sensor. Options
are 4.0mA or 3.9mA.
Rev 9_4
MN301700
Page 45 of 72
ADVANCED ADJUSTMENTS
Section Seven
4‐20 mA Reverse Output
This function sets the current output at either 4‐20 mA or 20‐4 mA. Selecting 4‐20 mA sets the output with 4mA @
bottom and 20mA @ top of the tank. This is the standard output used in the majority of applications. Selecting 20‐4 mA
sets the output with 20mA @ bottom and 4mA @ top of the tank. This is an optional output sometimes used in
applications where the level is maintained at a high level.
1. From the Main Screen, press Enter to
advance into the Main Menu.
4 to 20 mA Output
2. Press Right Arrow repeatedly until the arrow
is next to Service.
3. Press Enter to advance into Service Menu.
4. Press Right Arrow to move from Echo Curve
to Output Current.
6. Press Enter to advance into 4‐20mA Rev.
7. Press Right Arrow to change the setting
between 4‐20mA and 20‐4mA.
EA
8. When the setting is correct, press Enter to
save.
SE
5. Press Enter to advance into Output Current.
20 to 4mA Output
EL
9. When done, press ESC to return to the
Service Menu and press ESC a second time to
return to the Main Screen or; if you want to
advance directly into Fail‐Safe, press Enter
and then Right Arrow until Fail‐Safe appears.
Page 46 of 72
MN301700
Rev 9_4
ADVANCED ADJUSTMENTS
Section Seven
Fail‐Safe Output
This function is used to set the current output to a designated state if the sensor loses measurement confidence.
Selecting No Change will hold the current at its last valid current output. Selecting 20.5mA will force the current to jump
to 20.5mA. Selecting 22.5 mA will force the current to jump to 22.5 mA. Note: The latter two high current output states
are above the standard 4‐20 mA operational range, and can be used to indicate that a failure has occurred.
1. From the Main Screen, press Enter to advance into
the Main Menu
2. Press Right Arrow repeatedly until the arrow is next
to Service.
3. Press Enter to advance into Service Menu and Echo
Curve will appear.
SE
5. Press Enter to advance into Output Current menu.
4. Press Right Arrow to move from Echo Curve to
Output Current.
6. Press Right Arrow to move from Reverse 4‐20mA to
Fail‐safe.
EA
7. Press Enter to enter Fail‐safe.
8. Press Right Arrow to change the setting between No
change, 20.5mA and 22.0mA.
EL
9. When the setting is correct, press Enter to save.
10. When done, press ESC to return to the Service Menu
and press ESC a second time to return to the Main
Screen or; if you want to advance directly into Min
Current, press Enter and then Right Arrow until Min
Current appears.
Rev 9_4
MN301700
Page 47 of 72
ADVANCED ADJUSTMENTS
Section Seven
Minimum Current Output
This function sets the minimum current output for the sensor at either 4.0mA or 3.9mA. Note: 4.0mA is the default
minimum current output and is used in the majority of applications.
1. From the Main Screen, press Enter to advance into
the Main Menu.
2. Press Right Arrow repeatedly until the arrow is next
to Service.
3. Press Enter to advance into Service Menu and Echo
Curve will appear.
4. Press Right Arrow to move from Echo Curve to
Output Current.
5. Press Enter to advance into Output Current menu.
7. Press Enter to enter Min Current.
SE
6. Press Right Arrow repeatedly to move from Reverse
4‐20mA to Min Current.
EA
8. Press Right Arrow to change the setting between
3.9mA and 4.0mA.
9. When the setting is correct, press Enter to save.
EL
10. When done, press ESC to return to the Service Menu
and press ESC a second time to return to the Main
Screen.
Page 48 of 72
MN301700
Rev 9_4
ADVANCED ADJUSTMENTS
Section Seven
Create a New False Echo Curve
Obstructions in the tank (mixer blades, side wall weld joints or material build‐up, submersible pumps, piping, other
apparatus) or tall tank risers or installation fittings can create false echo returns that impair the sensor’s measurement.
This function maps all echo returns within the tank, differentiating between good and false echoes, and stores those
identified as false into the False Echo Curve, so they will not be considered in the level measurement. Note: A False
Echo Curve should only be performed when the tank is empty so that all false reflections will be detected. Before starting,
measure and note the exact distance from the sensor’s measurement location to the liquid surface. Setting the distance
value too large or too short can force the sensor into ignoring the true level.
1. From the Main Screen, press Enter to advance into the Main
Menu.
2. Press Right Arrow repeatedly until the arrow is next to
Service.
3. Press Enter to advance into Service Menu and Echo Curve will
appear.
SE
4. Press Enter to make a change to the Echo Curve settings.
EA
5. Press Right Arrow repeatedly until the arrow is next to Create
New.
6. Press Enter to advance into Create New. Enter the distance
from the sensor’s measurement location to the liquid surface.
EL
7. Use the Right Arrow to move one segment to the right. The
Right Arrow will scroll left to right and then back to the first
segment.
8. Use the Up Arrow to increase the value of the number
highlighted. The Up Arrow will scroll from 0 to 9 and back
again.
9. When the value is correct, press Enter to save the setting and
begin the False Echo Curve mapping. The process may take a
few minutes. When complete, the display will return to the
Echo Curve screen.
10. When done, press ESC to return to the Service Menu and
press ESC a second time to return to the Main Screen.
11. From the Main Screen, press ESC and the Echo Curve Screen
will appear. Follow the Check Echo Curve procedure
described at the end of Section Five to confirm that the
sensor is performing correctly.
Rev 9_4
MN301700
Page 49 of 72
ADVANCED ADJUSTMENTS
Section Seven
Update an Existing False Echo Curve
This function enables an Existing False Echo Curve to be updated under the circumstances that the curve was created
when the level was higher than an empty tank condition. Note: This function should only be performed to update an
Existing False Echo Curve when the level is BELOW the original False Echo Curve. Do not use this function to update an
Existing False Echo Curve when the level is above the original False Echo Curve. Before starting, measure and note the
exact distance from the sensor’s measurement location to the liquid surface. Setting the distance value too large or too
short can force the sensor into ignoring the true level.
Original False Echo Curve
1. From the Main Screen, press Enter to advance into the
Main Menu.
2. Press Right Arrow repeatedly until the arrow is next to
Service.
3. Press Enter to advance into Service Menu and Echo
Curve will appear.
SE
4. Press Enter to make a change to the Echo Curve
settings.
5. Press Right Arrow repeatedly until the arrow is next to
Update.
6. Press Enter to advance into Update. Enter the actual
distance from the sensor’s measurement location to
the liquid surface.
EA
Good Update
EL
7. Use the Right Arrow to move one segment to the
right. The Right Arrow will scroll left to right and then
back to the first segment.
9. When the value is correct, press Enter to save the
setting and begin the False Echo Curve mapping. The
process may take a few minutes. When complete, the
display will return to the Echo Curve screen.
Bad Update
8. Use the Up Arrow to increase the value of the number
highlighted. The Up Arrow will scroll from 0 to 9 and
back again.
10. When done, press ESC to return to the Service Menu
and press ESC a second time to return to the Main
Screen.
11. From the Main Screen, press ESC and the Echo Curve
Screen will appear. Follow the Check Echo Curve
procedure described at the end of Section Five to
confirm that the sensor is performing correctly.
Page 50 of 72
MN301700
Rev 9_4
TROUBLESHOOTING
Section Eight
EL
EA
SE
Troubleshooting Overview
These functions provide troubleshooting information; enable Echo Curve adjustments and deletion of settings.
1. Measurement Status
1. Displays the signal strength (dB) of the echo returns and the functional status of the sensor including
diagnostic error codes.
2. Peak Values
1. Displays the lowest and highest level height that the sensor has measured in distance (d).
3. Simulation
1. Simulates the 4‐20mA current output from percent of span, current or distance inputs.
4. First Echo Adjustment
1. Provides the ability to increase or decrease the peak signal strength of the First Echo return.
5. Echo Curve Zoom
1. Provides the ability to zoom in and magnify the Echo Curve over a specified range.
6. False Echo Curve Delete
1. Provides the ability to delete a saved False Echo Curve.
7. Reset
1. Provides the ability to reset configuration settings and memory.
Rev 9_4
MN301700
Page 51 of 72
TROUBLESHOOTING
Section Eight
Measurement Status
This function displays the signal strength (dB) of the echo returns and the operational status of the sensor including
diagnostic error codes.
1. From the Main Screen, press Enter to advance into the Main
Menu.
2. Press Right Arrow repeatedly until the arrow is next to
Diagnostics.
3. Press Enter to advance into Diagnostics.
4. Press Right Arrow to switch to Measurement Status.
5. Measurement reliability indicates the decibel (dB) strength of
RF energy that’s reflecting back to the sensor less any noise.
For reliable function, the dB value should be ≥ 10 dB.
SE
6. Sensor status indicates the functional status of the sensor
(either OK or error code)
EL
Solution
Check power supply
Check wiring for open circuit
Check for obstacles under the sensor, either clear the obstacle, move the
sensor or perform a False Echo Curve
Contact your distributor
Sensor Status Error Codes
Error Code
Problem
E11
Insufficient power
E12
Open circuit
EA
7. When done, press ESC to return to the Service Menu and
press ESC a second time to return to the Main Screen.
Weak echo return (< 10dB)
E15 or E17
ROM error
E14
Current Output Conditions
Problem
Sensor output < 3.9mA
Sensor output > 22mA
Sensor output reaches 4mA
before the tank is empty
Sensor output will not reach
4mA
Page 52 of 72
Solution
Check wiring for open circuit
Check wiring for short circuit
Check the Empty Configuration setting, and if incorrect, extend the setting to the
empty tank position
Check the Range setting, and if incorrect, extend the setting to or slightly below the
Empty Configuration setting
MN301700
Rev 9_4
TROUBLESHOOTING
Section Eight
Peak Values
This function displays the lowest and highest level height that the sensor has measured in distance (d).
1. From the Main Screen, press Enter to advance into the Main
Menu.
2. Press Right Arrow repeatedly until arrow is next to
Diagnostics.
3. Press Enter to advance into Diagnostics and view Peak Values.
4. Distance‐min is the lowest measured level and Distance‐max is
the highest measured level. Confirm that these values are
within the sensor’s operational range.
5. If the values appear too high or too low, check the tank for
obstructions that could cause that problem.
EL
EA
SE
6. When done, press ESC to return to the Service Menu and
press ESC a second time to return to the Main Screen.
Rev 9_4
MN301700
Page 53 of 72
TROUBLESHOOTING
Section Eight
Simulation
This function simulates the 4‐20mA current output, when the sensor is configured and installed on the tank, but the
level cannot be changed easily for testing. Percent (of span), Current Output or Distance can be used as the input
method to set the current output.
1. From the Main Screen, press Enter to advance into the Main
Menu.
2. Press Right Arrow repeatedly until the arrow is next to
Diagnostics.
3. Press Enter to advance into Diagnostics.
4. Press Right Arrow repeatedly until Simulation appears.
5. Press Enter to advance into Simulation.
SE
7. Use Enter to select the method of simulation.
6. Use the Right Arrow to scroll among the three simulation
methods (Percent, Current Out or Distance).
EA
8. Upon selection of a method, the simulation will start and the
current output will proportionately reflect the value shown.
While the simulation is running, the value can be changed.
EL
9. Use the Right Arrow to move one segment to the right. The
Right Arrow will scroll left to right and then back to the first
segment.
10. Use the Up Arrow to increase the value of the number
highlighted. The Up Arrow will scroll from 0 to 9 and back
again.
11. When the value is correct, press Enter and the current output
will reflect the value shown.
12. When done, press ESC to return to Simulation, press ESC
again to return to the Configuration Menu, and press ESC a
third time to return to the Main Screen.
Percent
Current Output
This method uses percentage of span This method directly sets the current
(0‐100%) to set the current output (4‐ output (4‐20mA) to the desired value.
20mA) between the Empty and Full
Configuration values with 100% equal
to 20 mA and 0% equal to 4mA.
Page 54 of 72
MN301700
Distance
This method uses distance from the
sensor’s measurement location to set
the current output (4‐20mA) between
the Empty and Full Configuration
values.
Rev 9_4
TROUBLESHOOTING
Section Eight
First Echo Adjustment
This function increases or decreases the peak strength of the sensor’s First Echo return, and should only be performed if:
1) The liquid has a very high dielectric constant value and primarily stays in the near full range of the tank, resulting in a
very high First Echo peak strength or; 2) Process conditions, such as when the liquid has a very low dielectric constant
value, or when obstructions, heavy foam or turbulence exist in the tank, resulting in little or no First Echo peak strength.
Note: Under condition one (Example 1), it can be beneficial to decrease the First Echo peak strength. Under condition
two (Example 3), it can be beneficial to increase the First Echo peak strength.
Example 1
1. From the Main Screen, press Enter to
advance into the Main Menu.
2. Press Enter to advance into the
Configuration Menu.
Example 2
3. Press Right Arrow to move from Empty
Configuration to Full Configuration.
4. Press Right Arrow to move from Full
Configuration to Medium.
SE
First Echo peak is very strong and
can be reduced.
6. Press Enter to advance into Liquid and
Fast Level Change will appear.
EL
First Echo peak is normal and no
adjustment is required.
EA
5. Press Enter to advance into Medium
and Liquid, Solid & Low Dielectric will
appear.
7. Press Right Arrow to move from Fast
Level Change to First Echo.
8. Press Enter to advance into First Echo.
Example 3
9. Press Right Arrow to change the First
Echo setting.
First Echo peak is weak and can be
increased.





First Echo Adjustments
Normal ‐ No adjustment
Small ‐ Decrease by 10 dB
Big ‐ Increase by 10 db
Bigger ‐ Increase by 20 db
Biggest ‐ Increase by 40 db
Rev 9_4
10. When setting is correct, press Enter to
save.
11. When done, press ESC to return to
Medium, press ESC again to return to
the Configuration Menu, and press ESC
a third time to return to the Main
Screen.
MN301700
Page 55 of 72
TROUBLESHOOTING
Section Eight
Echo Curve Zoom
This function zooms in and magnifies an Echo Curve over a specified range.
1. From the Main Screen, press Enter to advance into the Main
Menu.
2. Press Right Arrow repeatedly until the arrow is next to
Diagnostics.
3. Press Enter to advance into Diagnostics.
4. Press Right Arrow repeatedly until Echo Curve appears.
5. Press Enter to advance into Echo Curve.
6. Use the Right Arrow to scroll among the three settings (X‐
zoom, Y‐zoom, Unzoom).
7. Press Enter to select X‐zoom.
SE
8. Press Enter to advance into the first X‐zoom boundary
(Example 1). Press Right Arrow to move the boundary to its
desired location. Press Enter to set the boundary and a
second X‐zoom boundary will appear.
EA
9. Press Right Arrow to move the boundary to its desired
location (Example 2). Press Enter to set the boundary and the
screen will show the expanded X‐axis (Example 3). Press ESC
to exit.
EL
10. Press Enter to advance into Y‐zoom (Example 4). Press Right
Arrow to move to the desired zoom magnification (Example
5). Press Enter to set the zoom and the screen will show the
expanded Y‐axis (Example 6). Note: If you wish to start over,
press ESC, return to Echo Curve, select Unzoom, and begin
the procedure again.
11. When done, press ESC to return to Echo Curve, press ESC
again to return to Diagnostics, and ESC a third time to return
to the Main Screen.
X‐zoom (Example 1)
X‐zoom (Example 2)
X‐zoom (Example 3)
Y‐zoom (Example 4)
Y‐zoom (Example 5)
Y‐zoom (Example 6)
Page 56 of 72
MN301700
Rev 9_4
TROUBLESHOOTING
Section Eight
False Echo Curve Delete
This function deletes a saved False Echo Curve. Note: If you are dissatisfied with the sensor’s performance (operating
with a False Echo Curve), you may delete it, and consider creating a new False Echo Curve.
1. From the Main Screen, press Enter to advance into the Main
Menu.
2. Press Right Arrow repeatedly until the arrow is next to
Service.
3. Press Enter to advance into Service and Echo Curve will
appear.
4. Press Enter to make a change to Echo Curve.
5. Press Enter to select Delete.
6. Press Enter to Delete All.
EL
EA
SE
7. Press ESC to return to Service and press ESC a second time to
return to the Main Screen.
Rev 9_4
MN301700
Page 57 of 72
TROUBLESHOOTING
Section Eight
Reset
This function resets the sensor’s configuration (basic or factory) settings and memory (peak values measured).
1. From the Main Screen, press Enter to advance into the Main
Menu.
2. Press Right Arrow repeatedly until the arrow is next to
Service.
3. Press Enter to advance into Service.
4. Press Right Arrow repeatedly until Reset appears.
5. Press Enter to advance into Reset.
6. Use the Right Arrow to scroll among the three reset types
(Basic Reset, Factory Settings, Peak Value Meas).
SE
1. Basic Reset
a. Resets basic configuration settings, process
adjustment settings, and peak level values in
memory (retaining any advanced adjustment
settings).
EA
2. Factory Settings
a. Resets ALL settings and memory to factory
default.
EL
3. Peak Values Measured
a. Resets the minimum and maximum peak
level values in memory (retaining any basic
configuration, process adjustment and
advanced adjustment settings).
7. Use Enter to select the desired type of reset.
8. When done, press ESC to return to Service, and press ESC a
second time to the Main Screen.
Page 58 of 72
MN301700
Rev 9_4
APPENDIX
Section Nine
EL
EA
SE
Configuration Menu
The basic configuration functions are found under Configuration. The below tree shows the 10 function settings and
how to navigate between them.
Note: Press ESCAPE to back‐up to the previous level.
Rev 9_4
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Page 59 of 72
APPENDIX
Section Nine
Empty Configuration
This function adjusts the empty linear scaled current output (4mA) and provides two different adjustment methods:
 The primary method involves setting the value based upon the distance from the bottom of the sensor. This is a
measured value using the units of operation for the sensor. For example, if the units of operation are in meters,
then the setting must also be in meters.
 A second method involves setting a value based upon the percentage of the Range value. For example, if the
Range is set to 10ft, then a 10% setting is equivalent to 1ft of liquid height or 9ft of air gap away from the
sensor. Note: Set the Range value before setting the Empty Configuration value.
Shows the percentage of empty based upon the Range setting.
Shows the distance from the bottom of the sensor to the empty tank.
Shows the air gap distance from the liquid to the bottom of the sensor.
EL
EA
SE
Full Configuration
This function adjusts the full linear scaled current output (20mA) and provides two different adjustment methods:
 The primary method involves setting the value based upon the distance from the bottom of the sensor. This is a
measured value using the units of operation for the sensor. For example, if the units of operation are in meters,
then the setting must also be in meters.
 The second method involves setting a value based upon the percentage of the Range value. For example, if the
Range is set to 10ft, then a 95% setting is equivalent to 9.5ft of liquid height or 0.5ft or air gap away from the
sensor. Note: Set the Range value before setting the Full configuration value.
Shows the percentage of full based upon the Range setting.
Shows the distance from the bottom of the sensor to the full tank.
Shows the air gap distance from the liquid to the bottom of the sensor.
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APPENDIX
Section Nine
Medium
This function identifies the type of media that the sensor is measuring including Liquid,
Solid or Low Dielectric. Each has various settings to address the different reflective
properties associated with each medium. Default is Liquid.
The Liquid Medium function has the following settings:
Fast Level Change ‐ Used when the media’s level rise or
fall within the tank is greater than a rate of 1” per second
(25.4mm/sec). Selections are YES or NO. Default is NO.

Turbulent Surface ‐ Used when the surface of the liquid
is turbulent or agitated. Selections are YES or NO.
Default is NO.

Foam ‐ Used when the entire liquid surface is covered
with foam. Selections are YES or NO. Default is NO.

Low Dielectric ‐ Used when the liquid has a low dielectric
constant (and should not be performed without first
consulting with the factory). Selections are YES or NO.
Default is NO.

Still Well ‐ Used when the
sensor is installed in a still
well, stand pipe or sight
glass. Selections are YES or
NO. Default is NO. Note: If
YES is selected, the pipe
(inner) diameter must be
entered.
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First Echo ‐ Used when the sensor has difficulty seeing
the first echo return. This setting adjusts the peak
strength (dB) of the first echo. Default is Normal. Below
are the settings:
o Normal ‐ No adjustment
o Small ‐ Decreases by 10dB
o Big ‐ Increases by 10dB
o Bigger ‐ Increases by 20dB
o Biggest ‐ Increases by 40dB
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APPENDIX
Section Nine

Large Repose Angle ‐ Used when the repose angle of the
material is steep. Repose angle is the steepest angle of
assent or descent relative to the horizontal plane that a
material can be piled without sliding. The repose angle
varies between different materials. Selections are Yes or
No. Default is No.
Powder / Dust ‐ Used when powder or dust are present
in the atmosphere above the material. Selections are
Yes or No. Default is No.
Low Dielectric ‐ Used when the material has a low
dielectric constant (and should not be performed without
first consulting with the factory). Selections are YES or
NO. Default is NO.

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
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First Echo ‐ Used when the sensor has difficulty seeing
the first echo return. This setting adjusts the peak
strength (dB) of the first echo. Default is Normal. Below
are the settings:
o Normal ‐ No adjustment
o Small ‐Decreases by 10dB
o Big ‐ Increases by 10dB
o Bigger ‐ Increases by 20dB
o Biggest ‐ Increases by 40dB
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
The Solid Medium function has the following settings (and should not be performed without first consulting with the
factory):
 Fast Level Change ‐ Used when the media’s level rise or
fall within the tank is greater than a rate of 1” per second
(25.4mm/sec). Selections are YES or NO. Default is NO.
The Low Dielectric Medium function has the following settings (and should not be performed without first consulting
with the factory):
When the dielectric constant of the media is ≤ 4, the amplitude of the direct echo
from the media may be low and difficult to detect. However, by measuring the echo
reflected from the bottom of the tank, the liquid level can be measured. Two
parameters must be input to complete the setup: 1) Distance from the bottom of the
sensor to the tank bottom (Empty Span) and; 2) Distance from the tank bottom to
the liquid level (True Level).



Empty Span ‐ Distance from the bottom of the
sensor to the tank bottom.
True Level ‐ Distance from the tank bottom to
the liquid level..
DK ‐ Media dielectric constant (determined by
sensor).
Note: Once this feature has been activated, only a factory setting can undo its
activation. A factory reset will erase all active settings including Echo Curves.
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APPENDIX
Section Nine
Dampen
This function sets the sampling rate for which the sensor updates the current output.
The value is entered in seconds. Default is 6 seconds.
 Decreasing the value will make the output more responsive to level changes.
 Increasing the value will make the output less responsive to level changes.
Output Mapping
This function sets the correlation between the measured value and the current
output. Selections are Linear or Non‐Linear. Default is Linear.
 Keep the setting on Linear. Note: This setting should not be changed without
first consulting with the factory.
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Scaled Units
This function sets the type of measurement (Height, Volume, Mass, Flow or No‐
Units) and units of measurement (which vary based upon the type of measurement)
displayed and input during configuration. Default is Height in Units of feet (ft).
EL
Scaling
This function sets the span values for 0% and 100% as an alternative method of
adjusting the Empty Configuration and Full Configuration settings. Defaults are 0%
and 100%.
Range
This function sets the maximum range that the sensor can measure which is typically
the distance from the bottom of the sensor to the empty tank bottom. Default is the
maximum range of the sensor.
Dead Band
This function sets the dead band or the minimum distance that the sensor will
measure. Default is 12” (30cm). Minimum setting is 2” from the bottom of the
antenna. Consult factory when setting the dead band less than the factory setting.
Sensor ID
This function sets an 11‐digit identification code. The setting can use alphanumeric
values from A to Z and 0 to 9. Default is the sensor’s 4‐digit Series number.
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APPENDIX
Section Nine
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Display Menu
This menu sets the Display Value and LCD Contrast. The below tree shows the 2 function settings and how to navigate
between them.
Display Value
This function sets the Display Value. Default is (air gap) Distance. Below are the settings:
 OFF ‐ Turns the display OFF.
 Distance ‐ Displays the distance from the bottom of the sensor to the liquid surface.
 Height ‐ Displays the height of media in the tank from the Maximum Range Setting.
 Percent Span ‐ Displays the level based on its percentage of operational span.
 Map Percentage ‐ Displays the level based on its percentage of operational range.
 Scaled ‐ Displays the level based on a scaled value between 0 (empty) and 10 (full).
 Current Output ‐ Displays the 4‐20 mA current output.
LCD Contrast
This function sets the B/W display contrast. Press the Up
Arrow to increase the contrast, and press the Right Arrow to
decrease the contrast.
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APPENDIX
Section Nine
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Diagnostics Menu
This menu provides information about the operational status of the sensor and diagnostic tools. The below tree shows
the 5 function settings and how to navigate between them.
Peak Values
This function displays the lowest and highest level height distances (d) that the sensor has
measured during operation. To reset these values, use the Reset >> Peak Measured Values
option found under the Service Menu.
Measurement Status
This function displays the signal strength (dB) of the echo returns (Measurement
Reliability) and the operational status of the sensor (Sensor Status). A signal strength of
10dB or higher is acceptable. Anything under 10dB is considered a weak signal. The cause
of a weak signal is often obstructions within the beam path or a poor installation.
Sensor status confirms whether the sensor is operating as expected. If normal, the
descriptor will be OK. If abnormal, the descriptor will be one of the following error codes:
E11 – Insufficient power
Rev 9_4
E12 – Sensor open circuit
E14 – Weak return echo E15 – ROM error
MN301700
E17 – ROM error
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APPENDIX
Section Nine
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Simulation
This function sets a fixed 4‐20mA current output from the
sensor for purposes of testing devices receiving information
from the sensor. The simulated current output may be set
with the below three input methods:
SE
Echo Curve
This function shows the Echo Curve and allows the user to
zoom in and magnify information along the X‐axis and Y‐axis.
 X‐zoom ‐ Expands echo information along the X‐axis. Used
to determine the location of an echo.
 Y‐zoom ‐ Expands echo information along the y‐axis. Used
to determine the energy of an echo.
 Unzoom ‐ Returns the display to the original setting.
Choose Curve
This function sets which information is displayed. Default is
Echo Curve.
 Echo Curve ‐ Shows the echo return energy received by the
sensor over distance.
 False Echo Curve ‐ Shows the false echo returns which are
mapped out (not considered) by the sensor.
 Output Trend ‐ Shows recent history of where the past
level readings have occurred.
 Percent ‐ This method uses percentage of span (0‐100%) to
set the current output (4‐20mA) between the Empty and
Full Configuration values with 100% equal to 20 mA and
0% equal to 4mA.
 Current Out ‐ This method directly sets the current output
(4‐20mA) to the desired value.
 Distance ‐ This method uses distance from the sensor’s
measurement location to set the current output (4‐20mA)
between the Empty and Full Configuration values.
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APPENDIX
Section Nine
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Service Menu
This menu is used to make more advanced adjustments to the sensor. Note: Some of these functions should only be
performed by a trained technician.
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APPENDIX
Section Nine
False Echo
Obstructions in the tank (mixer blades, side wall weld joints or material build‐up,
submersible pumps, piping, other apparatus) or tall tank risers or installation fittings can
create false echo returns that impair the sensor’s measurement. This function maps all
echo returns within the tank, differentiating between good and false echoes, and stores
those identified as false into the False Echo Curve, so they will not be considered in the
level measurement. Note: A False Echo Curve should only be performed when the tank is
empty so that all false reflections will be detected.
This function allows the selection of the below False Echo
Curve settings:
 Delete ‐ Used to remove a stored False Echo Curve.
 Edit ‐ Used to edit the false
EA
echoes stored in a False Echo
Curve. Note: This function
should only be performed by
a trained technician.
SE
 Create New ‐ Used to create a new False Echo Curve.
 Update ‐ Used to update a stored False Echo Curve. Note:
Do not use this function to update an existing False Echo
Curve when the level is above the original False Echo Curve.
EL
Output Settings
This function allows the selection of the below of 4‐20mA Reverse, Fail‐Safe and Minimum
Current output settings. The initial screen indicates the status of the three functions.
 4‐20 mA Reverse ‐ Used to set the current output at 4‐20
mA or 20‐4 mA. Selecting 4‐20 mA sets the output with
4mA @ bottom and 20mA @ top of the tank. Selecting 20‐
4 mA sets the output with 20mA @ bottom and 4mA @
top of the tank. Default is 4‐20mA.
 Fail‐Safe – Used to set the current output to a designated if
the sensor loses measurement confidence. Selecting No
Change will hold the current at its last valid current output.
Selecting 20.5mA will force the current to jump to 20.5mA.
Selecting 22.5 mA will force the current to jump to 22.5
mA. Default is 22.0mA.
 Minimum Current ‐ Used to set the minimum current
output at either 4.0mA or 3.9mA Default is 4.0mA.
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APPENDIX
Section Nine
Reset
This function allows the configuration (basic or factory)
settings and memory (peak values measured) to be reset.
Below are the three reset types:
 Basic Reset – Used to reset the basic configuration
settings, process adjustment settings, and peak level
values in memory (retaining any advanced adjustment
settings).
 Factory Settings – Used to reset ALL settings and memory
to factory default.
 Peak Values Measured – Used to reset the minimum and
SE
maximum peak level values in memory (retaining any basic
configuration, process adjustment and advanced
adjustment settings).
EA
Units of Measurement
This function allows the units of measurement to be changed between Metric and English
system units.
EL
Language
This function sets the display language. Default is English.
Operational Mode
This function allows the sensor digital address to be changed
from the Standard mode with an address of 0 to a Multidrop
mode where the address can be set from 1 to 15. Default is
Address 0. Note: This function should only be performed by
a trained technician.
Copy Sensor Data
This function allows configuration and memory data to be
uploaded to or downloaded from the sensor. Note: This
function should only be performed by a trained technician.
PIN
This function allows the sensor configuration to be locked via
a preset PIN. Note: This function should only be performed by
a trained technician.
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APPENDIX
Section Nine
Distance Adjustment
This function allows the factory set distance of a measured value to be adjusted. Note:
This function should only be performed by a trained technician.
Threshold
This function allows the factory set echo threshold to be adjusted. Note: This function
should only be performed by a trained technician.
SE
Information
This function displays basic information about your sensor
including sensor type, serial number, date of manufacture
and software version.
EA
Factory Settings
Below are the Empty Configuration and Full Configuration factory settings for each sensor.
Empty Configuration (4mA)
LR10
LR25
LR15
LR20
Full Configuration (20mA)
EL
Series
1.64’ (0.5m)
98.42’ (30m)
1.64’ (0.5m)
65.61’ (20m)
1.64’ (0.5m)
114.83’ (35m)
1.64’ (0.5m)
94.82’ (30m)
1.64’ (0.5m)
LR30
32.81’ (10m)
User Configuration
Fill out the below chart and keep a record of your sensor configuration.
Configuration
Units of Measurement:
Feet
Empty Configuration:
Full Configuration:
Range (Maximum):
Dead Band:
Meters
Process Adjustments
Fast Level Change:
No
Yes
Agitated Surface:
No
Yes
Foam:
No
Yes
Low Dielectric:
No
Yes
Still Well:
No
Yes
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Diameter:
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APPENDIX
Section Nine
Notes
Comment
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Subject
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APPENDIX
Section Nine
Warranty
Flowline warrants to the original purchaser of its products that such products will be free from defects in material and
workmanship under normal use and service in accordance with instructions furnished by Flowline for a period of two
years from the date of manufacture of such products. Flowline's obligation under this warranty is solely and exclusively
limited to the repair or replacement, at Flowline's option, of the products or components, which Flowline's examination
determines to its satisfaction to be defective in material or workmanship within the warranty period. Flowline must be
notified pursuant to the instructions below of any claim under this warranty within thirty (30) days of any claimed lack of
conformity of the product. Any product repaired under this warranty will be warranted only for the remainder of the
original warranty period. Any product provided as a replacement under this warranty will be warranted for the full two
years from the date of manufacture.
Returns
SE
Products cannot be returned to Flowline without Flowline's prior authorization. To return a product that is thought to be
defective, go to www.flowline.com, and submit a customer return (MRA) request form and follow the instructions
therein. All warranty and non‐warranty product returns to Flowline must be shipped prepaid and insured. Flowline will
not be responsible for any products lost or damaged in shipment.
EA
Limitations
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This warranty does not apply to products which: 1) are beyond the warranty period or are products for which the
original purchaser does not follow the warranty procedures outlined above; 2) have been subjected to electrical,
mechanical or chemical damage due to improper, accidental or negligent use; 3) have been modified or altered; 4)
anyone other than service personnel authorized by Flowline have attempted to repair; 5) have been involved in
accidents or natural disasters; or 6) are damaged during return shipment to Flowline. Flowline reserves the right to
unilaterally waive this warranty and dispose of any product returned to Flowline where: 1) there is evidence of a
potentially hazardous material present with the product; or 2) the product has remained unclaimed at Flowline for more
than 30 days after Flowline has dutifully requested disposition. This warranty contains the sole express warranty made
by Flowline in connection with its products. ALL IMPLIED WARRANTIES, INCLUDING WITHOUT LIMITATION, THE
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE EXPRESSLY DISCLAIMED. The
remedies of repair or replacement as stated above are the exclusive remedies for the breach of this warranty. IN NO
EVENT SHALL FLOWLINE BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND INCLUDING
PERSONAL OR REAL PROPERTY OR FOR INJURY TO ANY PERSON. THIS WARRANTY CONSTITUTES THE FINAL, COMPLETE
AND EXCLUSIVE STATEMENT OF WARRANTY TERMS AND NO PERSON IS AUTHORIZED TO MAKE ANY OTHER
WARRANTIES OR REPRESENTATIONS ON BEHALF OF FLOWLINE. This warranty will be interpreted pursuant to the laws of
the State of California. If any portion of this warranty is held to be invalid or unenforceable for any reason, such finding
will not invalidate any other provision of this warranty.
For complete product documentation, video training, and technical support, go to www.flowline.com.
For phone support, call 562‐598‐3015 from 8am to 5pm PST, Mon ‐ Fri.
(Please make sure you have the Part and Serial number available.)
Page 72 of 72
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