Fluke 719Pro Users Manual

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719PRO
Pressure Calibrator

Users Manual

October 2013
© 2013 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.

LIMITED WARRANTY AND LIMITATION OF LIABILITY
This Fluke product will be free from defects in material and workmanship for three years from the date of purchase. This
warranty does not cover fuses, disposable batteries, or damage from accident, neglect, misuse, alteration, contamination, or
abnormal conditions of operation or handling. Resellers are not authorized to extend any other warranty on Fluke’s behalf.
To obtain service during the warranty period, contact your nearest Fluke authorized service center to obtain return
authorization information, then send the product to that Service Center with a description of the problem.
THIS WARRANTY IS YOUR ONLY REMEDY. NO OTHER WARRANTIES, SUCH AS FITNESS FOR A PARTICULAR
PURPOSE, ARE EXPRESSED OR IMPLIED. FLUKE IS NOT LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
CONSEQUENTIAL DAMAGES OR LOSSES, ARISING FROM ANY CAUSE OR THEORY. Since some states or countries
do not allow the exclusion or limitation of an implied warranty or of incidental or consequential damages, this limitation of
liability may not apply to you.
Fluke Corporation
P.O. Box 9090
Everett, WA 98206-9090
U.S.A.
11/99

Fluke Europe B.V.
P.O. Box 1186
5602 BD Eindhoven
The Netherlands

Table of Contents

Title

Page

Introduction ....................................................................................................................
Contact Fluke .................................................................................................................
Safety Information ..........................................................................................................
Symbols .........................................................................................................................
Standard Equipment.......................................................................................................
Product Features ............................................................................................................
Display.......................................................................................................................
Language Selection ...................................................................................................
Home Menu Functionality ..........................................................................................
Backlight Use ............................................................................................................
The MENU Option .....................................................................................................
Main Menu Functionality............................................................................................
Set the Active Display ...........................................................................................
Set Active Display Parameters .............................................................................
Zero Function Use .....................................................................................................

1
1
2
4
5
5
8
9
10
10
10
11
11
11
13

719PRO
Users Manual
Internal Sensor and Pressure Module (non-absolute) ..........................................
Absolute Pressure ................................................................................................
Other Menu Controlled Functions .............................................................................
Set the Contrast ...................................................................................................
Lock and Unlock Configurations...........................................................................
Save and Recall Setups .......................................................................................
Set Auto Off Parameters ......................................................................................
Activate and Deactivate a Display ........................................................................
Set the RTD Probe Type ......................................................................................
Damping ...............................................................................................................
HARTTM Resistor ..................................................................................................
Pump Limits .........................................................................................................
Initial Setup and Basic Pressure Generation .................................................................
Electric Pump Considerations ........................................................................................
Measure Pressure .........................................................................................................
Media Compatibility...................................................................................................
Measure Pressure with External Modules .................................................................
Measure and Generate Current (4 mA to 20 mA) ..........................................................
Measure Voltage............................................................................................................
Measure Temperature with an RTD...............................................................................
Pressure Switch Test .....................................................................................................
Transmitter Calibration ..................................................................................................
mA Input Function .....................................................................................................
Pressure-to-Current Transmitter Calibration .............................................................
Percent Error Function ..............................................................................................
Minimum and Maximum Storage Capability ..................................................................
Factory Setups ..............................................................................................................
Custody Transfer / Flow Calibration...............................................................................
Remote Operation .........................................................................................................

13
13
14
14
15
15
16
17
17
18
18
18
18
20
20
21
21
22
24
25
26
29
29
30
30
35
36
39
39

Contents (continued)
Remote Interface .......................................................................................................
Set up the RS-232 Port for Remote Control ..............................................................
Change Between Remote and Local Operation ........................................................
Command Use and Types .........................................................................................
Character Processing ................................................................................................
Response Data Types ..........................................................................................
Calibrator Status ...................................................................................................
Remote Commands and Error Codes .......................................................................
Enter Commands.......................................................................................................
Common Commands ............................................................................................
Calibrator Commands ...........................................................................................
Ranges and Resolution ..................................................................................................
Maintenance ...................................................................................................................
Replace the Batteries ................................................................................................
Clean the Product ......................................................................................................
Clean the Valve Assembly.........................................................................................
User-Replaceable Parts and Accessories ......................................................................
Specifications .................................................................................................................

iii

39
41
42
42
43
44
44
45
50
50
51
59
61
61
63
63
64
67

719PRO
Users Manual

List of Tables

Table
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.

Title

Page

Symbols.................................................................................................................................
Product Features ...................................................................................................................
Display Functions ..................................................................................................................
Mode Concurrency ................................................................................................................
Common Commands ............................................................................................................
Calibrator Commands ...........................................................................................................
Parameter Units ....................................................................................................................
Error Codes ...........................................................................................................................
Ranges and Resolutions .......................................................................................................
User-Replaceable Parts and Accessories .............................................................................

4
7
9
12
45
45
48
49
59
64

719PRO
Users Manual

List of Figures

Figure
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.

Title

Page

Product Interface ...................................................................................................................
Display...................................................................................................................................
Pump Connection ..................................................................................................................
Pressure with External Modules ............................................................................................
Measure and Generate Current .............................................................................................
Voltage Measurement ...........................................................................................................
Temperature Measurement with RTD Probe .........................................................................
Pressure Switch Connection .................................................................................................
Pressure-to-Current Transmitter Connections .......................................................................
Percent Error Function Connection .......................................................................................
Typical Remote Connection ..................................................................................................
Battery Replacement .............................................................................................................
User-Replaceable Parts and Accessories .............................................................................

vii

6
8
19
21
23
24
25
26
31
32
40
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66

719PRO
Users Manual

viii

Introduction

Contact Fluke

The 719PRO Pressure Calibrator (the Product) is a
simple to use and versatile pressure calibrator. Its internal
pressure sensor and innovative electrically-powered
pump reach higher pressures (maximum 300 psi) and let
the Product calibrate virtually any pressure device. The
Product features inputs for mA, voltage, switch contacts,
and an RTD probe. An external-pressure module option
gives a wider range of pressure calibration options that
include absolute and differential.

To contact Fluke, call one of the following telephone
numbers:
•

Technical Support USA: 1-800-44-FLUKE
(1-800-443-5853)

•

Calibration/Repair USA: 1-888-99-FLUKE
(1-888-993-5853)

•

Canada: 1-800-36-FLUKE (1-800-363-5853)

•

Europe: +31 402-675-200

•

Japan: +81-3-6714-3114

•

Singapore: +65-6799-5566

•

Anywhere in the world: +1-425-446-5500

Or, visit Fluke's website at www.fluke.com.
To register your product, visit http://register.fluke.com.

719PRO
Users Manual
To download manuals, or to view, print, or download the
latest manual supplement, visit
http://us.fluke.com/usen/support/manuals.

•

Do not apply more than the rated
voltage, between the terminals or
between each terminal and earth ground.

Safety Information

•

A Warning identifies conditions and procedures that are
dangerous to the user. A Caution identifies conditions
and procedures that can cause damage to the Product or
the equipment under test.

Do not touch voltages > 30 V ac rms,
42 V ac peak, or 60 V dc.

•

Remove all probes, test leads, and
accessories before the battery door is
opened.

 Warning

•

Do not exceed the Measurement
Category (CAT) rating of the lowest rated
individual component of a Product,
probe, or accessory.

•

Do not use and disable the Product if it
is damaged.

•

Remove the input signals before you
clean the Product.

•

Use only specified replacement parts.

•

Have an approved technician repair the
Product.

•

Use the Product only as specified, or the
protection supplied by the Product can
be compromised.

To prevent possible electrical shock, fire, or
personal injury:
•

•

Only assemble and operate highpressure systems if you know the
correct safety procedures. High-pressure
liquids and gases are hazardous and the
energy from them can be released
without warning.
Read all safety information before you
use the Product.

•

Carefully read all instructions.

•

Do not use the Product around explosive
gas or vapor.

•

Use the correct terminals, function, and
range for measurements.

Pressure Calibrator
Safety Information
•

•

Pressure sensors can be damaged
and/or personnel injury can occur due to
improper application of pressure.
Vacuum should not be applied to any
gauge pressure sensor. The Product
display shows “OL” when an
inappropriate pressure is applied. If “OL”
is shown on any pressure display, the
pressure should be reduced or vented
immediately to prevent Product damage
or possible personnel injury. “OL” is
shown when the pressure exceeds 110 %
of the nominal range of the sensor or
when a vacuum in excess of 2 PSI is
applied on gauge range sensors.

•

Remove the batteries if the Product is
not used for an extended period of time,
or if stored in temperatures that exceed
the battery manufacturer’s specification.
If the batteries are not removed, battery
leakage can damage the Product.

•

Replace the batteries when the low
battery indicator shows to prevent
incorrect measurements.

•

Be sure that the battery polarity is
correct to prevent battery leakage.

•

Repair the Product before use if the
battery leaks.

Push the ZERO button to zero the
pressure sensor when vented to
atmospheric pressure.

•

The battery door must be closed and
locked before you operate the Product.

•

Use only specified replacement parts.

719PRO
Users Manual

Symbols
Symbols used on the Product or in this manual are shown in Table 1.
Table 1. Symbols
Symbol

Symbol

Description



Risk of Danger. Important information. See
Manual.



Conforms to relevant North American Safety
Standards.



Hazardous voltage. Risk of electric shock.



Double Insulated



Conforms to European Union directives.





Inspected and licensed by TÜV Product
Services.





Description

This product complies with the WEEE
Directive (2002/96/EC) marking requirements.
The affixed label indicates that you must not
discard this electrical/electronic product in
domestic household waste. Product Category:
With reference to the equipment types in the
WEEE Directive Annex I, this product is
classed as category 9 "Monitoring and Control
Instrumentation" product. Do not dispose of
this product as unsorted municipal waste. Go
to Fluke’s website for recycling information.



Conforms to relevant Australian EMC standards.
Battery

Conforms to relevant South Korean EMC
Standards.

Pressure Calibrator
Standard Equipment

Standard Equipment

Product Features

Make sure that the Product shipment is complete. It must
include:

Figure 1 and Table 2 shows the location of the buttons,
pressure controls, connection ports, and electrical inputs.

•

The Product

•

Product Manuals CD

•

Getting Started Manual

•

Quick Reference Guide

•

Test leads

•

Calibration Hose kit with fittings

•

Carry case

•

Calibration certificate

719PRO
Users Manual

3
1
10
4
11
5
16

14
12
15
13

hix001.eps

Figure 1. Product Interface

Pressure Calibrator
Product Features
Table 2. Product Features
Item

Description



Power button. Turns on and off the Product.



Three function buttons. Used to configure the Product. These buttons correspond to messages on the display.



Zero button. Zeros pressure measurements.



Arrow buttons. Controls mA source/sim. and sets pump and % error limits



Pump button. Runs the electric pump.



Home button. Returns to the main menu screen.



Pressure vernier adjust knob



Pressure source or measurement connector



Input terminals to measure current, volts and contact closure for switch test.



External pressure module connector



RTD probe connector



Pressure/Vacuum Selector



Vent



Firmware programming connector (for factory use only)



Pump clean-out valve



Battery door

719PRO
Users Manual

Notes
When  is pushed to turn on the Product, a
short startup self-check routine is run. During
that routine, the display shows the current
firmware revision level, auto-shutdown status,
and the range of the internal pressure sensor.
A maximum of 5 minutes warm-up is necessary
for the product to reach rated accuracy. A longer
warm-up period can be necessary for large
changes in ambient temperature. See the “Zero
Function Use” section for more about zeroing
the pressure sensor displays. It is recommended
that pressure ranges be zeroed each time the
Product is started.

Display
The display has two main regions:
•

The menu bar (located at the bottom of the screen) is
used to access the Product menu.

•

The main display has a maximum of three process
measurement sub-regions.

These sub-regions will be referred to as the UPPER,
MIDDLE and LOWER displays. Figure 2 shows the
location of the different display fields while Table 3
describes them.
3

1
4

hix007.eps

Figure 2. Display

Pressure Calibrator
Product Features
Table 3. Display Functions
Item
Number

Name



Primary
Parameters

Shows what is being
measured.

Span
Indicator

Shows the percent of the
4 mA to 20 mA span. (For
mA and mA loop functions
only.)



Pressure
Units

Shows one of 15 pressure
units available for display.



Units

Shows the unit of measure
for the display.



Description

Language Selection
The Product user interface is available in three
languages:
•

English

•

Norwegian

•

German

To select a user interface language:
1.

Turn the Product off.

Hold down , , and  simultaneously.

As the Product powers up, the display shows the
language in the top left corner of the display. Repeat
the procedure to show each subsequent language.
Once the necessary language is shown, the Product
user interface stays in that language until another
language is chosen.

719PRO
Users Manual
Home Menu Functionality

Backlight Use

There are three options for the Home Menu:
•

•

Active Display (LOWER, MIDDLE, or UPPER)

From the Home Menu, push  to toggle on and off the
backlight. This is one of the few functions that cannot be
controlled by the serial interface. There are no userconfiguration settings for the backlight.

•

LIGHT

The MENU Option

These options are shown across the bottom of the
display.
From anywhere within the menu structure, push  to
get back to the Home Menu.

Push  to access the Product Main Menus that start with
CONFIG. Then push  and  to go to subsequent
menus.

Pressure Calibrator
Product Features
Main Menu Functionality
There are three options on the Main Menu, shown below:

hix021.eps

Set the Active Display
The active display is indicated by the center option on the
Main Menu. Push  from this menu to toggle the active
display (UPPER, MIDDLE, or LOWER).

Set Active Display Parameters
To set the parameters of the active display, push  from
the Main Menu to go to the Active Display Configuration
menu, shown below:

Push  to change to the NEXT active display parameter.
Only RTD and Pressure modes have a second
parameter. RTDs can be read in Celsius or Fahrenheit.
Pressures can be read in 15 engineering units.
With a single display, the modes below are available.
Push  to access each mode:
•

[P1] = Pressure internal sensor

•

[EXT] = Pressure with external pressure module

•

[P1] ST = Switch Test with left side sensor

•

[EXT] ST = Switch Test with external pressure
module

hix022.eps

Push  to toggle through the selections for each
parameter of the active display. The first parameter is
Mode. Since voltage, current, and switch test modes all
use the same jacks, two of these functions cannot be
used at the same time. The ability to select some
functions is limited based on what is already selected on
a different display.

719PRO
Users Manual
Note
mA functions are only available on the lower
display.
•

mA measure = Milliamps measure without loop
power

•

mA w/24V = Milliamps measure with loop power

•

mA source = Milliamps source

•

mA sim = Milliamps simulate an external supply from
the UUT

•

VOLTS = Voltage Measure

•

RTD = RTD Temperature Measurement (if a probe is
connected)

Table 4 shows functions available at the same time. An X
in a column shows that the mode in the active display is
not available if the mode in that row is in operation on a
different display.

Table 4. Mode Concurrency
Current Display

OTHER DISPLAYS

[P1]

[P1] ST

[EXT] ST

mA
Loop

VOLTS

[P1]
[EXT]
[P1] ST

[EXT] ST

mA Loop

Volts

RTD
X = Not a valid mode

[EXT]

X
X

RTD

Pressure Calibrator
Product Features
Zero Function Use

Absolute Pressure

If a pressure mode is selected and pressure is within the
zero limit, the Product zeros the active display when Z is
pushed. The zero limits are within 10 % of the full-scale
range of the selected sensor. If the display shows “OL,”
the zero function will not operate.

When an absolute pressure range is selected on the
active display, and Z is pushed, the Product prompts for
the barometric reference pressure as in the screen below.

Note
Z is only used for pressure.

Internal Sensor and Pressure Module (nonabsolute)
When a sensor or module is selected on the active
display, and Z is pushed, the Product subtracts the
current reading from the output. The zero limits are within
10 % of the full-scale range of the selected sensor. If the
display shows “OL,” the zero function will not operate.

hix023.eps

Push  and  to use the on-screen arrows to record the
correct barometric reference pressure. The sensor port
should be open (vented) to atmosphere while this
procedure is done.

719PRO
Users Manual
Other Menu Controlled Functions

•

DAMP

There are 12 “sub-main” menus that can be accessed
with  from the Main Menu. A “sub-main” menu contains
three options. The first option is unique to the function.
The second and third options of a “sub-main” menu are
always the same.  goes to the next “sub-main” menu.
For the last “sub-main” menu,  goes back to home.

•

HART

•

PUMP

Note
If a “sub-main” menu has subordinate menus, it
will be referred to as {function} Main Menu. For
example, the display contrast sub-main menu
will be called the Contrast Main Menu. If not, it
will be called the {function} menu.
The 12 sub-main menus are:
•

CONFIG (Main Menu start point)

•

%ERROR

•

MINMAX

•

CONTRAST

•

LOCK CFG

•

SETUPS

•

AUTO OFF

•

DISPLAY

•

PROBE TYPE

Set the Contrast
From the Contrast main menu, push  to access the
Contrast Adjustment Menu. See the Contrast Main Menu
below.

hix024.eps

Push  and  to adjust the display contrast to the
necessary level. Push  to finish the adjustment and go
home as shown below.

hix025.eps

Pressure Calibrator
Product Features
Lock and Unlock Configurations

Save and Recall Setups

Use the LOCK CFG or UNLOCK CFG options of the
Configuration Lock Menu (CONFIG), shown below, to
lock or unlock the display configuration.

The Product automatically saves the current setup for
recall at power up. Five setups can be accessed through
the SETUPS menu. Select the SETUPS option from the
Setups Main Menu shown below.

hix026.eps
hix027.eps

When the LOCK CFG option is pushed, the menu display
goes home and the menu configuration option on the
Main Menu is locked. All menus are locked with the
exception of:
•

Min Max menu

•

Contrast Adjustment menu

•

Configuration Lock menu

Push  to store a setup,  to show the setup, or  to
do nothing and go to the Main Menu.

hix028.eps

When the UNLOCK CFG option is selected, the
configuration is unlocked and the menu display goes to
the subsequent sub-main menu.

719PRO
Users Manual
If  or  is pushed, use the on-screen arrows, as shown
below, to select the setup location. Then use  to save
the current setup into the selected location or  to recall
the setup stored in the selected location. The display
menu automatically goes to the Main Menu.

hix029.eps

hix030.eps

Set Auto Off Parameters
The Product can be set to automatically power off after a
chosen number of minutes. This function can also be
disabled. To set the auto off parameters, push  on the
Auto Off Main Menu shown below.

hix031.eps

Push  or  to select the number of minutes before the
Product turns off or scroll down to 0 to disable Auto Off as
shown below.

hix032.eps

Push  to set the parameters and go to the main menu.
The auto off time is reset when a key is pushed.

Pressure Calibrator
Product Features
Activate and Deactivate a Display

Set the RTD Probe Type

From the Display Main Menu, push  to access the
Display Activation Menu.

Push  from the Probe Type Main Menu to access the
RTD Probe selections.

hix033.eps

The {display} option can be used to select which display
is active. The selected display and current on/off state are
shown in the lower display as seen below.

hix034.eps

Push  to save the changes and go back to the Main
Menu. When a display is deactivated, its configuration is
saved. When the display is activated, its configuration is
compared against the configurations of the other
currently-active displays. If the configurations are in
conflict, the recalled display configuration is changed to
prevent conflict. If all three displays are deactivated, the
LOWER display comes on automatically.

hix035.eps

There are four probe types to select from:
•

P100-385 (select this type for use with Fluke720RTD probe accessory)

•

P100-392

•

P100-JIS

•

CUSTOM

Push  to select the necessary probe type (see the
figure below). Push  to store the change and go to the
Main Menu.
Note
The default probe type is PT100-385.

hix036.eps

719PRO
Users Manual
Damping
Turn Damping on or off with the Damping menu selection.
When damping is on, the Product shows a running
average from ten measurements. The Product makes
approximately three indications per second.

HARTTM Resistor
An internal 250 Ω HART resistor can be enabled when
the Product operates in the mA Measure-24 V mode. This
lets a HART Communicator be connected across the mA
terminals. It is not necessary to add an external resistor.
Note
When the HART resistor is on, the maximum
load-driving capacity is 750 Ω.

Initial Setup and Basic Pressure
Generation
The Product is supplied with a special low-volume
calibration hose kit for faster pumping to pressure and
quick pressure stabilization. The necessary “quick-fit”
hose connectors and BSP adapter for non-NPT
applications are also included. Fluke recommends that
this type of hose be used to get the best performance
from the Product. When the fittings are installed and the
Product is connected to the unit under test (UUT), the
Product is ready. Figure 3 shows a typical setup.
1.

Before pressure is generated, make sure the Product
is configured for the application. If necessary, review
the “Calibrator Interface” section to select the correct
configuration.

Make sure that the pressure vacuum knob is set for
the correct function (+ for pressure and – for
vacuum).

Pump Limits
To prevent overpressure of sensitive devices, the
maximum pressure (pump limit) can be set. When in this
mode, use the arrow softkeys to set the maximum
pressure.

Pressure Calibrator
Initial Setup and Basic Pressure Generation

Valve

Close the vent knob.

Push the pump key and see the pressure (or
vacuum) increase until the necessary pressure is
reached.

5.
6.

Note
The pump motor speed will start slowly when
pressure is low (<15 psi) for better control at low
pressures.
Use the fine adjustment vernier to fine tune the
pressure/vacuum indication as necessary.
To fully decrease or bleed off the pressure, slowly
turn the vent knob to the open position. When this is
done carefully, the pressure-bleed rate can be
carefully controlled and this helps when taking downscale pressure readings.

hix009.eps

Figure 3. Pump Connection

719PRO
Users Manual

Electric Pump Considerations

Measure Pressure

The Product uses a small, battery-powered pneumatic
pump that can quickly build rated high pressure. Because
the pump has an upper pressure generation limit, there
may be atmospheric conditions where it cannot go to fullscale pressure. High-altitude use (about 3000 ft or
1000 meters), or use at cold temperatures, can limit the
pump to about 90 % of its rated pressure. In these cases,
the vernier adjustment can be used to supply additional
pressure necessary if full-scale pressure must be
supplied.

To measure pressure, connect the Product with the
correct fitting. Select a pressure setting for the display
that is used. The Product has one internal sensor and
many optional external sensors (EPMs) are available.
Make sure to choose the sensor based on working
pressures and accuracy.
Warning
To prevent personal injury:
•

Pressure sensors can be damaged
and/or personnel injury can occur due to
improper application of pressure. Refer
to Table 9 for information on
overpressure and burst pressure ratings.
Vacuum should not be applied to any
gauge pressure sensor. The Product
display shows “OL” when an
inappropriate pressure is applied. If “OL”
is shown on any pressure display, the
pressure should be reduced or vented
immediately to prevent Product damage
or possible personnel injury. “OL” is
shown when the pressure exceeds 110 %
of the nominal range of the sensor or
when a vacuum in excess of 2 PSI is
applied on gauge range sensors.

•

Push Z to zero the pressure sensor
when vented to atmospheric pressure.

In these situations, start the calibration with the vernier in
the full counter-clockwise position and then, when the
electric pump reaches its limit, turn the vernier clockwise.
This will raise the pressure to set the necessary reading.
See Figure 3.

Pressure Calibrator
Measure Pressure
Note
To ensure accuracy of the Product, the Product
must be zeroed before a device is calibrated.
See the “Zero Function Use” section.

Media Compatibility
The Product has a unique user-accessible valve cleaning
port for easy pump service. See the “Clean the Valve
Assembly” section for how to clean these valves. Make
sure to only expose the Product to clean, dry gases.

Measure Pressure with External Modules
The Product has a digital interface to be used with
external pressure modules. These modules are available
in different ranges and types that include gauge, vacuum,
differential, and absolute. Connect the modules to the
interface and select [EXT] (external sensor). Since the
interface between the Product and the module is digital,
all accuracy and display resolution is derived from the
module. See Figure 4.

Valve

Pressure
Module

hix010.eps

Figure 4. Pressure with External Modules

719PRO
Users Manual

Measure and Generate Current (4 mA to
20 mA)

This function will only work on the LOWER screen. In
the source mode, the Product supplies 0 mA to
24 mA with its own internal 24-volt supply, whereas
in the simulate mode the Product acts as a two-wire
transmitter and an external 24-volt supply is
necessary.

Push any of the arrow softkeys to start the output
mode and use the arrow softkeys to adjust the mA
output. The function keys can also be used to step
the output in either 25 % steps (4, 8, 12, 16, 20 mA)
or 0 % (4 mA) and 100 % (20 mA). While in the mA
output mode, if the loop is opened or the compliance
is exceeded the display flashes “OL”.

Use the input terminals on the front of the Product to
measure current, see Figure 5:
1.

Select the mA function on the lower display and
select MEASURE. Current is measured in mA and
percentage of range. The range on the Product is set
to 0 % at 4 mA and 100 % at 20 mA.
For example:
If the current measured is shown as 75 % then the
mA value is 16 mA.

Note
The display shows “OL” when the measured
current is more than the nominal range of
current measurement (24 mA).
To source current, the same connections are used.
From the configuration screen, select mA source or
mA Sim-2W.

Pressure Calibrator
Measure and Generate Current (4 mA to 20 mA)

SIM-2W

4 to 20mA

Device
Under
Test

Device
Under
Test
Loop
Power
Supply

4 to 20mA

24 V Loop Power

4 to 20mA

UUT

4 to 20mA

UUT

hix011.eps

Figure 5. Measure and Generate Current

719PRO
Users Manual

Measure Voltage
To measure voltage, use the input terminals on the front of the Product. Select the volts function on one of the displays. The
Product can measure a maximum of 30 V dc. See Figure 6.
Note
The display shows “OL” when the measured voltage is more than the nominal range of the voltage measurement
(30 V).

Up to 30V dc

Device
Under
Test

hix015.eps

Figure 6. Voltage Measurement

Pressure Calibrator
Measure Temperature with an RTD

Measure Temperature with an RTD
To measure temperature with an RTD probe, select the
RTD function on one of the displays. Make sure the
correct probe type is selected. See the “Set the RTD
Probe Type” section.
The standard probe has a 10-inch insertion depth with a
¼-inch diameter stainless steel sheath. See Figure 7.
Note
The factory default type is PT100-385 so if the
Product is used with the Fluke 720 RTD Probe
(pn 4366669), it is not necessary to set the
probe type. Connect the probe to the Product
and configure the display to read temperature.
The display shows “OL” when the measured
temperature is outside the nominal
measurement range of the RTD function (below
-40 °C or above 150 °C). If a custom probe is
used, enter the R0 and coefficients with the
serial interface (see the “Remote Operation”
section).

RTD Probe

hix016.eps

Figure 7. Temperature Measurement with RTD Probe

719PRO
Users Manual

Pressure Switch Test

To do a pressure switch test:

Connect a pressure switch to the Product as shown in
Figure 8.

Note
The pressure switch test can be done with these
functions: [P1] ST, or EXT ST.
Use low-volume tubing when possible.
Connect the Product to the switch with the pressure
switch terminals to the pressure switch contacts (deenergized dry contacts). The polarity of the terminals
does not matter. Connect the pump from the Product
to the input of the pressure switch.

Make sure the vent on the pump is open.

Zero the Product if necessary.

Close the vent after the Product is zeroed. If a
normally closed switch, the top of the display shows
“CLOSE”.

Apply pressure with the pump slowly until the switch
opens.

Pressure
Switch

Use low volume tubing when possible
hix017.eps

Figure 8. Pressure Switch Connection

Change the setup to Setup 4 (default switch test)
listed under “Setups” in the MORE configuration
menu choices. The upper display is set to [P1] ST, all
other displays are off.

Pressure Calibrator
Pressure Switch Test

Note
In switch-test mode the display update rate is
increased to help capture pressure input
changes. Even with this enhanced sample rate,
pressurization of the device under test should be
done slowly to ensure accurate readings.
When the switch is open, “OPEN” is shown on the
display. Bleed the pump slowly until the pressure
switch closes.

At the top of the display “SW OPENED AT” and the
pressure that the switch was opened at is shown as in the
figure below.

hix044.eps

hix043.eps

719PRO
Users Manual
8.

Push the “NEXT” option to view when the switch
closed, and the deadband as seen below.

Push  to clear the data and do another test.

10. Push  to end the test and return to the standard
pressure setting.
Example:
[P1] ST will return to [P1].
Note
The previous example uses a normally-closed
switch. The basic procedure is the same for a
normally-open switch. The display reads “OPEN”
instead of “CLOSE”.

hix045.eps

hix046.eps

Pressure Calibrator
Transmitter Calibration
2.

Transmitter Calibration
mA Input Function

Actively – Where the Product supplies 24 V dc loop
power to the device under test to power the device
while reading the resulting 4 mA to 20 mA signal.

The mA input function reads back the 4 mA to 20 mA
output from the device being calibrated. This can be done
in one of two ways:
1.

Passively – Where the device under test directly
regulates or generates 4 mA to 20 mA and can be
read by the Product.

hix048.eps

hix047.eps

719PRO
Users Manual
Pressure-to-Current Transmitter Calibration

Percent Error Function

To calibrate a pressure-to-current transmitter (P/I):

The Product features a unique function which can
calculate pressure vs. milliamp error as a percentage of
the 4 mA to 20 mA loop span. The percent error mode
uses all three screens and has a unique menu structure.
It simultaneously shows pressure, mA, and percent error.
See Figure 10.

Connect the Product and the pump to the transmitter.
See Figure 9.

Apply pressure with the pump.

Measure the current output of the transmitter.

Ensure the reading is correct. If not, adjust the
transmitter as necessary.
Note
Use low-volume tubing when possible.

Pressure Calibrator
Transmitter Calibration

hix018.eps

Figure 9. Pressure-to-Current Transmitter Connections

719PRO
Users Manual

hix019.eps

Figure 10. Percent Error Function Connection

Pressure Calibrator
Transmitter Calibration
Example:
A pressure transmitter under test is 30 psi (2 Bar) FullScale and regulates a corresponding 4 mA to 20 mA
signal. Program a 0 psi to 30 psi pressure span into the
Product and the Product calculates and shows the
deviation or %Error from the expected 4 mA to 20 mA
output. This eliminates the need for manual calculations
and helps when it is difficult to set an exact pressure with
an external pump.
To use the %ERROR function:
1.

From the Main Menu, push .

Push .

Push  to start the %ERROR option.

Push  to configure the option. The first option sets
the Port.

Push  to scroll through the port choices.

When finished, push .

hix049.eps

Loop Power can be toggled on/off as seen below.
Push  when done.

hix050.eps

719PRO
Users Manual
8.

Push  to toggle through the unit options, and push
 to move on.

hix052.eps

hix051.eps

Use the arrow keys to set the 100 % point of the
desired pressure range, select DONE SET when
finished.

10. Use the arrow keys to set 0 % point and select
DONE SET when finished and the % ERROR mode
will be ready to use.

hix053.eps

Pressure Calibrator
Minimum and Maximum Storage Capability
Note
The 0 % and 100 % point will be saved in nonvolatile memory until they are changed again by
the user for the internal sensors, and external
pressure modules. When an external module is
used, the 0 % and 100 % are set to low and full
scale of the module until the user changes it, or
if it was previously saved.

Minimum and Maximum Storage
Capability
The Product has a min/max feature to capture the
minimum and maximum values of any displayed
parameter.
Step through the menu options to access the min/max
function. “MIN/MAX” is shown on the display above .
Push  to toggle the display through the min/max values
that are stored in the min/max registers. These readings
are live so that the new min/max values will be recorded
while in this mode.

hix054.eps

hix055.eps

719PRO
Users Manual

Factory Setups
The Product is loaded with five commonly used factory
setups. To access these SETUPS, select from the MORE
configurations options. These setups are shown below.
Note
Any of these setups can be changed and saved.
Setup 1: The upper display is set to [P1] mode and the
lower is set to mA, middle is off.
hix056.eps

To reset the min/max registers, push  for “CLEAR”.
These registers are also cleared at power-up or when the
configuration is changed.

hix057.eps

Pressure Calibrator
Factory Setups
Setup 2: The upper display is set to [P1] mode and the
lower is set to RTD, middle is off.

hix058.eps

Setup 3: The upper display is set to [P1] mode and the
middle is set to RTD, lower is mA.

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719PRO
Users Manual
Setup 4: The lower display is set to [P1] switch test, the
other displays are off.

hix062.eps

Setup 5: The upper display is set to [P1], the middle
display is set to [EXT] and the lower display is set to RTD.

hix060.eps

Pressure Calibrator
Custody Transfer / Flow Calibration

Custody Transfer / Flow Calibration

Remote Operation

The Product is ideal for flow computer calibration. Every
manufacturer of flow computers has a different calibration
procedure, but most call for calibration of three
parameters: static pressure, differential pressure and
temperature. To facilitate these measurements, recall
setup #5 on the Product.

Remote Interface

Connect the Product to the static and differential
pressures. ([P1], EXT) Then connect the RTD sensor
to the Product.

With the reading of the RTD, static, and differential
pressures, make sure the flow computer has the
correct reading. If not, adjust the flow computer as
necessary.

The Product can be remotely controlled with a PC
terminal or by a computer program that runs the Product
in an automated system. It uses an RS-232 serial port
connection for remote operation.
Note
To use the remote control option, a custom
miniature circular to USB interface cable, PN
4401616 must be purchased separately. To
contact Fluke refer to the “Contact Fluke”
section.
With this connection the user can write programs on the
PC, with Windows languages like Visual Basic to operate
the Product, or use a terminal program similar to Hyper
Terminal, to enter single commands. Typical RS-232
remote configurations are shown in Figure 11.

719PRO
Users Manual

USB Port

hix020.eps

Figure 11. Typical Remote Connection

Pressure Calibrator
Remote Operation
Set up the RS-232 Port for Remote Control
Note
The RS-232 connection cable should not exceed
15 m unless the load capacitance measured at
connection points is less than 2500 pF.
Serial parameter values:

For remote operation of the Product, connect it to a COM
port on the PC as in Figure 11. Use a terminal emulator
program and follow the subsequent procedure:
1.

Start the terminal emulator program.

Select New Connection.

For Name enter “Fluke 719PRO”. Select the serial
port that the Product is connected to.

•

9600 baud

•

8 data bits

Enter the above information for port settings.

•

1 stop bit

•

no parity

Select ASCII setup from File/Properties/Settings and
mark these choices:

•

Xon/Xoff

•

EOL (End of Line) character or CR (Carriage Return)
or both

Note
To use the remote control option, a custom
miniature circular to USB interface cable, PN
4401616, must be purchased separately.
Connect the Product to the computer, attach the
miniature circular connector end of the cable to the
pressure module port on the right side of the Product and
the USB connector to the computer. The Product should
be turned off prior to making the connection and then
turned on.

•

Echo typed characters locally

•

Wrap lines that exceed terminal width

Select Ok.

To see if the port works enter *IDN?. This command
will return information on the Product.

719PRO
Users Manual
Change Between Remote and Local Operation

Command Use and Types

There are three modes of operation of the Product: Local,
Remote, and Remote with Lockout. Local mode is the
default mode. Commands may be entered with the
keypad on the Product or with a computer. In Remote
mode the keypad is disabled and commands may only be
entered with a computer. If [GO TO LOCAL] is chosen
from the display menu, the Product restores keypad
operation. In Remote with Lockout, the keypad cannot be
used.

Refer to the “Remote Commands” section for all available
commands. The Product may be controlled by commands
and queries. All commands may be entered with upper or
lower case. The commands are divided into the
categories listed below:

To switch modes:
1.

To enable Remote mode, enter the serial command
REMOTE at the computer terminal.

To enable Remote with Lockout, enter “REMOTE
LOCKOUT” in either order.

To switch back to local operation enter LOCAL at the
terminal. This command also turns off LOCKOUT if it
is on. For more information on commands, refer to
the “Remote Commands” section.

Calibrator Commands
Only the Product uses these commands. For example:
VAL?
asks for the values displayed on the Product display.

Common Commands
Standard commands used by most devices. These
commands always begin with an “*”.
For example:
*IDN?
tells the Product to return its identification.

Pressure Calibrator
Remote Operation
Query Commands

Character Processing

Commands that ask for information, they always end with
a “?”. For example:

The data entered into the Product is processed as
follows:

FUNC?

•

ASCII characters are discarded if their decimal
equivalent is less than 32 (space), except 10 (LF)
and 13 (CR):

•

Data is taken as 7-bit ASCII

•

The most significant data bit is ignored.

•

Upper or lower case is acceptable.

returns the current modes of the Product displays.

Compound Commands
Commands that contain more than one command on one
line. For example:
RTD_TYPE PT385_100;RTD_TYPE?
Sets the Product to RTD type PT385_100 and queries it
to verify. It will return:
PT385_100

719PRO
Users Manual
Response Data Types

Indefinite ASCII (IAD)

The data returned by the Product can be divided into four
types:

Any ASCII characters followed by a terminator. For
example:

Integer

*IDN? returns FLUKE,719PRO,1234567,1.00

For most computers and controllers they are decimal
numbers that range from -32768 to 32768. For example:

Calibrator Status

FAULT? could return 110
Refer to Table 8 for more information on error codes.

Floating
Floating numbers have up to 15 significant figures and
exponents. For example:
CPRT_COEFA? returns 3.908300E-03

Character Response Data (CRD)
Data returned as keywords. For example:
RTD_TYPE? returns PT385_100

Error Queue
If an error occurs due to invalid input or buffer overflow,
its error code is sent to the error queue. The error code
can be read from the queue with the command FAULT?.
The error queue holds 15 error codes. When it is empty,
FAULT? returns 0. The error queue is cleared when
power is reset or when the clear command *CLS is
entered.

Input Buffer
The Product stores all received data in the input buffer.
The buffer holds 250 characters. The characters are
processed on a first in, first out basis.

Pressure Calibrator
Remote Operation
Remote Commands and Error Codes
Tables 5, 6, 7, and 8 list all commands, and their
descriptions, that are accepted by the Product.

Table 6. Calibrator Commands
Command

Table 5. Common Commands
Command

Description

*CLS

(Clear status) Clears the error
queue.

*IDN?

Identification query. Returns the
manufacturer, model number,
serial number, and firmware
revision level of the Product.

*RST

Resets the Product to the
power up state.

Description

CPRT_COEFA

Sets the custom RTD
coefficient A

CPRT_COEFA?

Returns the custom RTD
coefficient A

CPRT_COEFB

Sets the custom RTD
coefficient B

CPRT_COEFB?

Returns the custom RTD
coefficient B

CPRT_COEFC

Sets the custom RTD
coefficient C

CPRT_COEFC?

Returns the custom RTD
coefficient C

CPRT_R0

Sets the custom RTD R0
resistance

CPRT_R0?

Returns the custom RTD R0
resistance

719PRO
Users Manual
Command

Description

DAMP

Turns Damp on or off.

DAMP?

Returns if DAMP is on/off

DISPLAY

Turns on/off the displays
specified in the command

Command

Description

FAULT?

Returns the most recent
error code

FUNC

Sets the display mode as
specified in the command

FUNC?

Returns the current mode of
the upper, middle, and lower
display

HART_ON

Turns the hart resistor on.

HART_OFF

Turns the hart resistor off.

DISPLAY?

Returns which displays are
on/off

ERROR_LOOP

Turns loop power on or off in
percent error mode

ERROR_LOOP?

Returns the current state of
loop power in error mode

HART?

Returns the current state of
the Hart resistor.

ERROR_MODE

Turns percent error mode on
or off

HI_ERR

Sets the 100 % of span limit
for percent error mode

ERROR_MODE?

Returns whether percent
error mode is on or off

HI_ERR?

Returns the 100 % of span
limit for percent error mode

ERROR_PORT

Set the pressure port for
percent error mode

IO_STATE

Set the Product's mA state.

IO_STATE?

Return the Product's mA state.

ERROR_PORT?

Returns the pressure port for
percent error mode

Pressure Calibrator
Remote Operation
Command

Description

Command

Description

LOCAL

Returns user to manual operation of
the Product

PRES_UNIT

Set the pressure unit for the indicated
display

LOCKOUT

Locks out the keypad of the Product in
remote operation

PRES_UNIT?

Returns the pressure from the
indicated display

LO_ERR

Sets the 0 % of span limit for percent
error mode

PUMP_LIMIT

Sets the approximate value at which
the pump will turn off.

LO_ERR

Returns the 0 % of span limit for
percent error mode

PUMP_LIMIT?

Returns the approximate value at
which the pump will turn off.

MOTOR_ON

Turns the motor on.

MOTOR_OFF

Turns the motor off.

REMOTE

Puts the Product in remote mode

MOTOR?

Returns the current state of the Hart
resistor

RTD_TYPE

Sets the RTD type

OHMS?

Returns ohms value measured from
the RTD

RTD_TYPE?

Returns the RTD type

OUT

Set the Product to output the
requested current.

SIM

Set the Product to simulate the
requested current.

OUT?

Returns the value of the current being
simulated.

719PRO
Users Manual
Command
SIM?

Returns the value of the current being
simulated.

ST_CLOSE?

Returns pressure value at which the
switch closed

ST_DEAD?

Returns pressure value of the
deadband of the switch

ST_OPEN?

Returns pressure value at which the
switch opened

ST_START

Starts a switch test

TEMP_UNIT

Set the RTD to read in °F or °C on the
indicated display

TEMP_UNIT?

Returns the unit the RTD is set to

VAL?

Returns the measured values

ZERO_MEAS

Zeros the pressure module

ZERO_MEAS?

Returns the zero offset of the
pressure module

Table 7. Parameter Units

Description
Units

Meaning

CEL

Temperature in degrees Celsius

CUSTOM

Custom RTD type

DCI

Current function

DCV

Voltage measure function

EXT

External pressure measurement
function

FAR

Temperature in degrees Fahrenheit

LOWER

Designates Lower display

Milliamps of current

MEASURE

Measure state

MEAS_LOOP

Measure with loop power state

MIDDLE

Designates Middle display

OHM

Resistance in ohms

Pressure Calibrator
Remote Operation

Units

Meaning

Table 8. Error Codes
Error Number

Error Description

PCT_ERR

Percent Error

PERCENT

Percent

100

A non-numeric entry was received
where it should be a numeric entry

PT385_100

100 Ohm 385 Platinum RTD type

101

Too many digits entered

PT392_100

100 Ohm 392 Platinum RTD type

102

PTJIS_100

100 Ohm JIS Platinum RTD type

Invalid units or parameter value
received

P1 pressure measurement function

103

Entry is above the upper limit of the
allowable range

RTD

Temperature measure function
104

Entry is below the lower limit of the
allowable range

105

A required command parameter was
missing

ST_P1

Switchtest mode with P1

ST_EXT

Switchtest mode with external module

SOURCE

Source state

SIM

Simulate state

106

An invalid command parameter was
received

UPPER

Designates Upper display

107

Pressure not selected

Voltage

719PRO
Users Manual
Enter Commands
108

Invalid sensor type

109

Pressure module not connected

110

An unknown command was received

111

Bad Parameter received

Commands for the Product may be entered in upper or
lower case. There is at least one space required between
the command and parameter, all other spaces are
optional. Almost all commands for the Product are
sequential. Any overlapped commands are indicated as
such. This section briefly explains each of the commands
and describe their general use, which include any
parameters that may be entered with the command as
well as what the output of the command is.

112

The serial input buffer overflowed

Common Commands

Too many entries in the command
line

*CLS

113
114

The serial output buffer overflowed

Error Number

Error Description

Clears the error queue. Also terminates all pending
operations. When programs are written, use before each
procedure to avoid buffer overflow.
*IDN?
Returns the manufacturer, model number, serial number,
and firmware revision of the Product. For example:
*IDN? returns FLUKE,719PRO,1234567,1.00

Pressure Calibrator
Remote Operation
Calibrator Commands

CPRT_COEFB?

CPRT_COEFA

Returns the number which was entered for the second
coefficient of the polynomial used in the custom RTD.
With the example above, CPRT_COEFB? returns:

Use this command to entere a custom RTD into the
Product. The numeric value entered after the command is
set as the first coefficient of the polynomial used by the
custom RTD.
For example:
CPRT_COEFA 3.908300E-03 enters 3.908300e-3 as
coefficient A.
CPRT_COEFA?

-5.774999E-07
CPRT_COEFC
This command is used to enter a custom RTD into the
Product. The numeric value entered after the command
will be set as the first coefficient of the polynomial used
by the custom RTD.

Returns the number that was entered for the first
coefficient of the polynomial used in the custom RTD.
With the example above, CPRT_COEFA? returns:

For example:

3.908300E-03

CPRT_COEFC?

CPRT_COEFB

Returns the number that was entered for the third
coefficient of the polynomial used in the custom RTD. The
example above CPRT_COEFC? returns:

This command is used to enter a custom RTD into the
Product. The numeric value entered after the command
will be set as the second coefficient of the polynomial
used by the custom RTD.

CPRT_COEFC –4.183000E-12 enters –4.183000E-12
as coefficient C.

–4.183000E-12

For example:
CPRT_COEFB –5.774999E-07 enters –5.774999E-07
as coefficient B.

719PRO
Users Manual
CPRT_R0

DAMP?

Sets the 0 ° resistance, R0, in the custom RTD. The value
must be entered with a unit label. Refer to Table for
assistance.

Returns the current state of the damping function.

For example:
CPRT_R0 100 OHM sets R0 to 100 Ω.
CPRT_R0?

For example:
If DAMP? is sent, it will return ON if the damping function
is on.
DISPLAY
Turns on or off the indicated display.

Returns the value for the resistance in custom RTD. The
above example returns:

For example:

1.000000E+02, OHM

If DISPLAY LOWER is sent ON, this will turn on the lower
display.

DAMP
Turns on or off the damping function.
For example:
If DAMP ON is sent, this will turn on the damping
function.

DISPLAY?
Returns the current state of the each of the displays.
For example:
If DISPLAY? is sent, it will return ON, ON, ON if the all
the displays are on.

Pressure Calibrator
Remote Operation
FAULT?

ERROR _LOOP?

Returns the error code number of an error that has
occurred. The command may be entered when the
previous command did not do what it was meant to do.

Returns the current state of loop power in percent error
mode.
For example:

For example, if a value for current output is entered that is
bigger than the supported range (0 mA -24 mA) FAULT?
returns:

If ERROR_LOOP? is sent, it will return ON if loop power is
on in error mode.

103 which is the code number for an entry over range.

ERROR_ MODE

Refer to Tables 5, 6, 7, and 8 for more information on
error code numbers.

Turns percent error mode on and off.

ERROR _LOOP

To turn on percent error mode, send ERROR_MODE ON.

Turns on or off loop power in percent error mode.

ERROR _ MODE?

For example:

Returns the current state of percent error mode.

To set loop power on, send ERROR_LOOP ON.

For example:

If ERROR_MODE? is sent, it will return ON if the Product is
in percent error mode.

719PRO
Users Manual
ERROR_ PORT

HART_ON

Sets the pressure port for percent error.

Turns on the Hart resistor.

For example:

HART_OFF

To set the pressure port for percent error to [P1], send
ERROR_ PORT P1.

Turns off the Hart resistor.

ERROR _ PORT?
Returns the current pressure port for percent error mode.
For example:

HART?
Returns the state of the Hart resistor.
For example:
If the Hart resistor was on HART? returns ON.

If ERROR _PORT? is sent, it will return P1 if the pressure
port in percent error is [P1].

HI_ERR

FUNC

Sets the 100 % point for the percent error mode
calculation in the current engineering units.

Sets the display indicated in argument one to the function
indicated in argument 2.

For example:

To set the 100 % point to 100 psi, send HI_ERR 100.

To set the lower display to RTD mode send FUNC
LOWER,RTD.

HI_ERR?

FUNC?
Returns the current mode of all displays. For example, if
the Product is set to [P2] ST on the upper display, [P1] on
the middle, and RTD on the lower, FUNC? returns:
ST_P2,P1,RTD

Returns the 100 % point for the percent error mode
calculation.
For example:
If the 100 % point is set to 100 psi, HI_ERR? returns
1.000000E+02, PSI.

Pressure Calibrator
Remote Operation
IO_STATE

LOCKOUT

Sets the input/output/simulate state of the mA function of
the Product. Does not put the Product into mA if it is not
in mA already.

Send this command to set the lockout state, when the unit
is in REMOTE or if it goes to remote it prohibits use of the
keypad. The lockout state can only be cleared by if the
LOCAL command is sent.

For example:
If the Product is in mA simulate mode, IO_STATE
MEASURE would put it in measure mode.
IO_STATE?
Returns the input/output/simulate state of the mA function
of the Product.

LO_ERR
Sets the 0 % point for the percent error mode calculation
in the current engineering units.
For example:
To set the 0 % point to 20 psi, send LO_ERR 20.

For example:

LO_ERR?

If the Product was in mA simulate mode IO_STATE?
would return SIM.

Returns the 0 % point for the percent error mode
calculation.

LOCAL

For example:

Restores the Product to local operation if it was in remote
mode. Also clears LOCKOUT if the Product was in
lockout mode.

If the 0 % point is set to 20 psi, LO_ERR? returns
2.000000E+01, PSI.
MOTOR_ON
Turns on the motor.

719PRO
Users Manual
MOTOR_OFF

OUT?

Turns off the motor.

Returns the output of the Product.

MOTOR?

With the above example, OUT? returns 5.000000E-03, A

Returns the state of the motor.

PRES_UNIT

For example:

Used to set the pressure unit for the indicated display.

If the motor was on, MOTOR? returns ON.

For example:

OHMS?

To set the pressure unit to psi on the lower display, send
PRES_UNIT LOWER, PSI.

Returns the raw ohm value from the RTD.
For example:
If when a P100-385 is measured at 0 °C, OHMS? returns
1.000000E+02, OHM.
OUT
This command also switches the Product into mA output
mode. A number and a unit must be entered after the
command.
For example:
OUT 5 MA sets the current output at 5 mA

PRES_UNIT?
Returns the pressure unit used when pressure is
measured for each of the 3 displays.
PUMP_LIMIT
Sets the approximate pressure in psi at which the pump
will turn off.
For example:
PUMP_LIMIT 50 sets the approximate value that the
pump will shut off at to 50 psi

Pressure Calibrator
Remote Operation
PUMP_LIMIT?

RTD_TYPE?

Returns the pump limit. The above example with
PUMP_LIMIT? returns:

Returns the RTD type.

50.000
REMOTE

For example:
If the RTD type is PT385_100, RTD_TYPE?, PT100_385
is returned.

Puts the Product into remote mode. From the remote
mode, the keypad can be used to get back to local mode
unless the command LOCKOUT was entered before
REMOTE. Then the keypad is locked out, and the LOCAL
command must be sent to get back to local operation.

SIM

RTD_TYPE

For example:

Sets the RTD type. The subsequent list shows RTD types
the way they should be entered after the command:

SIM 5 MA sets the current simulation at 5 mA

PT385_100; PT392_100; PTJIS_100; CUSTOM;
For Example:

Returns the output of the current simulation. With the
example above, the output would be: 5.000000E-03, A

RTD_TYPE PT385_100 sets RTD type to PT100-385

ST_START

Sets the output for current simulation. This command also
switches the Product into mA simulation mode. A number
and a unit must be entered after the command.

SIM?

Starts a switch test.

719PRO
Users Manual
ST_CLOSE?

TEMP_UNIT?

Returns the pressure that the switch closed at in the
current pressure units.

Returns the temperature unit, (CEL or FAR) used when
RTDs are measured for each of the 3 displays.

ST_OPEN?

VAL?

Returns the pressure that the switch opened at in the
current pressure units.

Returns the value of any measurement on the upper and
lower display. For example, if the upper display shows
5 mA, and the lower display shows 10 V, then VAL?
returns:

ST_DEAD?
Returns deadband of the switch in the current pressure
units.
TEMP_UNIT
This command is used to set the temperature unit used
when temperature is measured.
The first argument indicates which display to apply the
change to. The second argument is the unit, either CEL
for Celsius or FAR for Fahrenheit.
For example:
To set the temperature unit to Fahrenheit on the lower
display, send TEMP_UNIT LOWER, FAR.

5.000000E-03, A, 1.000000E+01, V
ZERO_MEAS
Zeros the attached pressure module. Enter the value
zeroed in PSI after the command when an absolute
pressure module is zeroed.
ZERO_MEAS?
Returns the zero offset or the reference value for absolute
pressure modules.

Pressure Calibrator
Ranges and Resolution

Ranges and Resolution
Ranges and resolutions for the Product are shown in
Table 9.
Table 9. Ranges and Resolutions
Range (PSI)

30 PSI / 2.0 Bar

150 PSI / 10 Bar

300 PSI / 20 Bar

Burst Pressure (PSI)

300

600

Proof Pressure (PSI)

200

400

Engineering Unit

Factor

Psi

30.000

150.00

300.00

Bar

0.06894757

2.0684

10.3421

20.684

mbar

68.94757

2068.4

10342.1

20684

kPa

6.894757

206.84

1034.21

2068.4

MPa

.00689476

0.2068

1.03421

2.0684

kg/cm2

0.07030697

2.1092

10.5460

21.092

cmH2O @ 4 °C

70.3089

2109.3

10546.3

21093

cmH2O @ 20 °C

70.4336

2113.0

10565.0

21130

mmH2O @ 4 °C

703.089

21093

N/A

mmH2O @ 20 °C

704.336

21130

N/A

719PRO
Users Manual
inH2O @ 4 °C

27.68067

830.42

4152.1

8304.2

inH2O @ 20 °C

27.72977

831.89

4159.5

8318.9

inH2O @ 60 °C

27.70759

831.23

4156.1

8312.3

mmHg @ 0 °C

51.71508

1551.5

7757.3

15515

inHg @ 0 °C

2.03602

61.081

305.40

610.81

Proof pressure - maximum allowable pressure without a shift in calibration
Burst pressure - sensor damaged or destroyed; some risk of personnel injury

Pressure Calibrator
Maintenance

Maintenance
Replace the Batteries
If the batteries discharge too far, the Product
automatically shuts down to prevent battery leakage.
Note
Use only AA size alkaline, Lithium batteries ,or
rechargeable NiMh cells.

•

Be sure that the battery polarity is
correct to prevent battery leakage.

•

Repair the Product before use if the
battery leaks.

•

The battery door must be closed and
locked before you operate the Product.

 Warning
To prevent possible electrical shock, fire, or
personal injury:
•

•

Replace the batteries when the low
battery indicator shows to prevent
incorrect measurements.

719PRO
Users Manual
To change the batteries, see Figure 12:
1.

Turn off the Product.

Turn the Product so that the display is down.

With a flat-head screwdriver, remove the battery door
screw.

Lift out and disconnect the battery holder.

Replace the eight AA batteries with new batteries.
Make sure that the polarity on the batteries is correct.

Reconnect the battery holder.

Reinsert the battery holder into the battery
compartment.

Replace the battery door.

Tighten the battery door screw.

hix061.eps

Figure 12. Battery Replacement

Pressure Calibrator
Maintenance
Clean the Product
Caution
To avoid damaging the plastic lens and case,
do not use solvents or abrasive cleansers.

Operate the pump handles several times and
recheck for contamination.

Clean the O-ring assembly and the O-ring on the
retention caps with IPA and inspect the O-rings
closely for any damage or excessive wear.
Replacements are included in the repair kit, if
necessary.

Inspect the springs for wear or loss of tension. They
should be approximately 8.6 mm long in the relaxed
state. If shorter, they may not provide sufficient seal
tension. Replace if necessary.

Once all parts have been cleaned and inspected,
reinstall the O-ring and spring assembly into the
valve body.

Reinstall the retention caps and gently tighten each
cap.

Clean the Product with a soft cloth dampened with water
or water and mild soap.

Clean the Valve Assembly
Occasionally, the Product may not work properly due to
dirt or other contamination of the internal valve assembly.
Use the subsequent procedure to clean the valve
assembly. If this procedure does not correct the problem,
a repair kit can be ordered. See the “User-Replaceable
Parts” section.
1.

With a small screwdriver, remove the two valve
retention caps located in the battery compartment
area (see Figure 12).

After the caps have been removed, gently remove
the spring and ring assembly.

Set aside the valve assemblies in a safe area and
clean out the valve body with a cotton swab soaked
in IPA (isopropyl alcohol).

Repeat the process several times with a new cotton
swab each time until there is no evidence of
contamination or dirt.

10. Seal the output port and operate the pump to at least
50 % of capacity.
11. Release the pressure and repeat several times to
ensure that the rings seat properly.

719PRO
Users Manual

User-Replaceable Parts and
Accessories
 Warning
To prevent possible electrical shock, fire, or
personal injury, use only specified
replacement parts.
User-replaceable parts are listed in Table 10 and shown
in Figure 13. For more information about these items,
contact a Fluke representative. See the “Contact Fluke”
section of this manual.

Table 10. User-Replaceable Parts and Accessories
Item

Part Number



Holster

4365551



Keypad

4364770

Lens, 30 PSIG

4365524

Lens, 150 PSIG

4365536

Lens, 300 PSIG

4365549



Fluke-7XX-2020 Display
Module

4404450



Selector Knob

4380627



719Pro Vernier Adjustment
Knob

664190

Port Label, 30 PSI, 2 BAR

4110698

Port Label, 150 PSI, 10 BAR

4374295

Port Label, 300 PSI, 20 BAR

4110710







Description

TPAK80-4-2002 Magnet Strip 669952

Pressure Calibrator
User-Replaceable Parts and Accessories
Item

Description



TPAK80-4-8001 Strap, 9 in.

669960



Safety Sheet

4354604



Quick Reference Guide

4354567



User Manuals CD

4354598



AA, Alkaline Batteries

376756

Not
Shown

Bottom Plug, PRO 30,
150PSIG

4365560

Not
Shown

71X-TRAP, Liquid Dirt Trap

4380747

Not
Shown

Test Lead Set

Part Number

[1]

Variable

Item

Description

Part Number

Not
Shown

Alligator Clip, Red

Variable[1]

Not
Shown

Alligator Clip, Black

Variable

Not
Shown

RTD Probe

4366669

Not
Shown

URTDA, Universal RTD
Adapter (RTD Breakout Box)
for 719Pro and 721.

4382695

Not
Shown

Kit-hose, fittings (3), adapters
3345825
(2)

Not
Shown

FLK719PRO 300PRK, Pump
Rebuild Kit, 719PRO-300G

4401168

Not
Shown

FLK719PRO 30 150PR,
Pump Rebuild Kit, 719PRO30 AND 150G

4401179

Not
Shown

FLUKE-7XX Cable,USB, 5
Pin LEMO, SGL 6ft

4401616

[1]

See www.fluke.com for more information about
the test leads and alligator clips available for your
region.

719PRO
Users Manual
1

12
4

6
7

hix063.eps

Figure 13. User-Replaceable Parts and Accessories

Pressure Calibrator
Specifications

Specifications
Pressure Measurement

Range

719Pro-30G

-12 to 30 PSI/-0.8 to
2 bar

719Pro-150G

-12 to 150 PSI/-0.8 to
10 bar

719Pro-300G

-12 to 300 PSI/-0.8 to
20 bar

Resolution
0.001 PSI
0.0001 bar
0.01 PSI
0.001 bar
0.01 PSI
0.001 bar

Temperature effect (all
ranges)
Function

Range

Resolution

Accuracy
±0.025 % of full scale,
6 months
±0.035 % of full scale,
1 year

Dry air and non-corrosive
gas only

Add ±0.002 % of full
scale for temps outside
of 15 °C to 35 °C
Accuracy (1 year)

No effect on accuracy on
all functions from 15 °C
to 35 °C
Comment

±0.015 % of reading ±2
counts

1000 Ω maximum load in
mA source, 26 V dc
maximum voltage in mA
simulate
No ac voltage
measurement, do not
exceed 30 V dc
±0.25 °C (±0.45 °F)
combined uncertainty
when using 720 RTD
probe (optional
accessory)

mA dc
(simultation and
measurement)

0 mA dc to 24 mA dc

Volts dc
(measurement only)

30 V dc

0.001 V

Temperature
(measurement only,
Pt100 RTD)

-50 °C to 150 °C (-58 °F
to 302 °F)

0.01 °C
0.01 °F

Temperature ±0.1 °C
(0.2 °F)

Loop power supply

24 V dc

N/A

24 mA at 24 V

Temperature Effect (all
functions)

Comment

0.001 mA

Add ±0.002 % full
scale/°C for temperatures
outside of 15 °C to 35 °C

No effect on accuracy on
all functions from 15 °C
to 35 °C

719PRO
Users Manual
Temperature Range
Operating .................................................. -10 °C to +50 °C (14 °F to +122 °F)
Storage
With Batteries............................................ Per battery manufacturer’s specification, not to exceed storage specification without batteries.
Without Batteries....................................... -20 °C to +60 °C (-4 °F to +140 °F)
Altitude .......................................................... 2000 m
Power
Batteries .................................................... 8 AA batteries (alkaline)
Battery Life ................................................ 300 pump cycles to 150 PSI minimum; 1000 pump cycles to 30 PSI; 100 pump cycles to
300 PSI minimum
Physical
Dimensions with holster ........................... (H x W x D) (24.13 x 11.18 x 7) cm, (9.5 x 4.4 x 2.8) in
Weight with holster ................................... 1.2 kg (2.5 lb)
Ingress Protection .................................... IP40
Connectors/Ports
Pressure ................................................... One (1), 1/8 in NPT
Electrical ................................................... Standard banana jacks
RTD Probe ................................................ 4-pin miniature circular
External Module ........................................ 6-pin miniature circular
Engineering Units ..................................... psi, bar, mbar, kPa, kgcm2, cmH2O @ 4 °C, cmH2O @ 20 °C, mH2O @ 4 °C, mH2O @ 20 °C,
inH2O @ 4 °C, inH2O @ 20 °C, inH2O @ 60 °F, mmHg @ 0 °C, inHg @ 0 °C, ftH2O @ 4 °C,
ftH2O @ 20 °C, ftH2O @ 60 °F

Pressure Calibrator
Specifications
Electromagnetic Environment .......................IEC 61326-1: Portable
Electromagnetic Compatibility .......................Applies to use in Korea only. Class A Equipment (Industrial Broadcasting & Communication
Equipment) [1]
[1] This product meets requirements for industrial (Class A) electromagnetic wave equipment
and the seller or user should take notice of it. This equipment is intended for use in business
environments and is not to be used in homes.

719PRO
Users Manual

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