Seba Dynatronic Mess und Ortungstechnik CORC3 Portable device for reading audio data from acoustical sensors and correlating these data User Manual Correlux C 3 Technische Dokumentation

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Consultation with SebaKMT
User Manual
Correlator
Correlux C-3
Mess- und Ortungstechnik
Measuring and Locating Technologies
Elektrizitätsnetze
Power Networks
Kommunikationsnetze
Communication Networks
Rohrleitungsnetze
Water Networks
Abwassernetze
Sewer Systems
Leitungsortung
Line Locating
Issue:
Article number:
01 (06/2015) - EN
84416
Consultation with SebaKMT
Consultation with SebaKMT
Consultation with SebaKMT
The present system manual has been designed as an operating guide and for
reference. It is meant to answer your questions and solve your problems in as fast and
easy a way as possible. Please start with referring to this manual should any trouble
occur.
In doing so, make use of the table of contents and read the relevant paragraph with
great attention. Furthermore, check all terminals and connections of the instruments
involved.
Should any question remain unanswered or should you need the help of an authorized
service station, please contact:
Seba Dynatronic
Mess- und Ortungstechnik GmbH
Hagenuk KMT
Kabelmesstechnik GmbH
Dr.-Herbert-Iann-Str. 6
D - 96148 Baunach
Phone: +49 / 9544 / 68 – 0
Fax: +49 / 9544 / 22 73
RĂśderaue 41
D - 01471 Radeburg / Dresden
Phone: +49 / 35208 / 84 – 0
Fax: +49 / 35208 / 84 249
E-Mail: sales@sebakmt.com
http://www.sebakmt.com
” SebaKMT
All rights reserved. No part of this handbook may be copied by photographic or other means unless SebaKMT
have before-hand declared their consent in writing. The content of this handbook is subject to change without
notice. SebaKMT cannot be made liable for technical or printing errors or shortcomings of this handbook.
SebaKMT also disclaims all responsibility for damage resulting directly or indirectly from the delivery, supply,
or use of this matter.
Terms of Warranty
Terms of Warranty
SebaKMT accept responsibility for a claim under warranty brought forward by a
customer for a product sold by SebaKMT under the terms stated below.
SebaKMT warrant that at the time of delivery SebaKMT products are free from
manufacturing or material defects which might considerably reduce their value or
usability. This warranty does not apply to faults in the software supplied. During the
period of warranty, SebaKMT agree to repair faulty parts or replace them with new parts
or parts as new (with the same usability and life as new parts) according to their choice.
This warranty does not cover wear parts, lamps, fuses, batteries and accumulators.
SebaKMT reject all further claims under warranty, in particular those from consequential
damage. Each component and product replaced in accordance with this warranty
becomes the property of SebaKMT.
All warranty claims versus SebaKMT are hereby limited to a period of 12 months from
the date of delivery. Each component supplied by SebaKMT within the context of
warranty will also be covered by this warranty for the remaining period of time but for 90
days at least.
Each measure to remedy a claim under warranty shall exclusively be carried out by
SebaKMT or an authorized service station.
This warranty does not apply to any fault or damage caused by exposing a product to
conditions not in accordance with this specification, by storing, transporting, or using it
improperly, or having it serviced or installed by a workshop not authorized by SebaKMT.
All responsibility is disclaimed for damage due to wear, will of God, or connection to
foreign components.
For damage resulting from a violation of their duty to repair or re-supply items,
SebaKMT can be made liable only in case of severe negligence or intention. Any liability
for slight negligence is disclaimed.
Since some states do not allow the exclusion or limitation of an implied warranty or of
consequential damage, the limitations of liability described above perhaps may not
apply to you.
For FCC:
- User Information acc. to FCC15.21:
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
- Part 15 Statement gem. FCC 15.19/RSS Gen Issue 3 Sect. 7.1.3
This device complies with Part 15 of the FCC Rules and with Industry Canada
license-exempt RSS standard(s). Operation is subject to the following two
conditions:
(1) this device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause
undesired operation
Terms of Warranty
Contents
Consultation with SebaKMT ...........................................................................................3
Terms of Warranty ...........................................................................................................4
Safety Instructions ...........................................................................................7
1.1
General Safety Instructions and Warnings.........................................................7
1.2
General Notes ....................................................................................................7
Frequently used menus ...................................................................................9
2.1
Start menu ..........................................................................................................9
2.2
Pipe data menu ................................................................................................11
2.3
Correlation menu..............................................................................................13
2.4
Correlation menu (Offline measurement).........................................................15
2.5
Correlation analysis menu................................................................................17
2.6
Frequency analysis menu ................................................................................19
2.7
Audio menu ......................................................................................................21
2.8
Audio menu (in Pinpointing mode) ...................................................................23
Technical description ....................................................................................25
3.1
Function............................................................................................................25
3.2
Features of the set ...........................................................................................26
3.3
Communication of the components..................................................................26
3.4
Power supply....................................................................................................27
3.5
Scope of delivery..............................................................................................27
3.6
Technical data ..................................................................................................28
The Correlator.................................................................................................31
4.1
Design ..............................................................................................................31
4.2
Power supply....................................................................................................33
4.3
Design of the user interface .............................................................................34
4.4
4.4.1
4.4.2
4.4.3
4.4.4
4.4.5
Basics of operation...........................................................................................35
Input methods...................................................................................................35
Entering identification numbers (IDs) ...............................................................35
Entering text .....................................................................................................36
Sorting devices in lists and tables ....................................................................37
ESC pushbutton and Back button ....................................................................37
4.5
4.5.1
4.5.2
4.5.3
4.5.4
4.5.5
Commissioning.................................................................................................38
Switch the correlator ON/OFF ..........................................................................38
Basic settings at initial start-up.........................................................................38
Change the language .......................................................................................39
Enable/Disable the touch screen (touch sensitivity) ........................................40
Activate the display light...................................................................................40
4.6
Systeme settings ..............................................................................................41
Terms of Warranty
4.6.1
4.6.2
4.6.3
Basic settings ...................................................................................................41
System info.......................................................................................................43
Store the settings .............................................................................................43
4.7
Hardware reset.................................................................................................43
4.8
4.8.1
4.8.2
Communication ................................................................................................44
Connection between the correlator and the sensors .......................................44
Connection between the correlator and the computer .....................................44
The Power transmitters .................................................................................45
5.1
Design ..............................................................................................................45
5.2
Identification number (ID) .................................................................................46
5.3
Power supply....................................................................................................47
5.4
Commissioning.................................................................................................47
The Multi sensors...........................................................................................49
6.1
Design ..............................................................................................................49
6.2
Identifikationsnummer (ID) ...............................................................................49
6.3
Power supply....................................................................................................50
6.4
Switching ON/OFF ...........................................................................................50
6.5
Installation ........................................................................................................51
6.6
Adapter .............................................................................................................51
Online measurement - Realtime correlation with 2 sensors......................53
Offline measurement - Multipoint correlation with preprogrammed
sensors............................................................................................................57
"Map" function................................................................................................63
10
Sound velocity measurement .......................................................................67
10.1
Velocity measurement in Online measurement mode .....................................67
10.2
10.2.1
10.2.2
Velocity measurement in Offline measurement mode .....................................70
Introduction.......................................................................................................70
Determining the sound speed ..........................................................................71
11
GPS position data ..........................................................................................73
11.1
Introduction.......................................................................................................73
11.2
Determine and save GPS coordinates.............................................................73
11.3
Distance measurement and navigation via GPS .............................................75
Safety Instructions
Safety Instructions
1.1
General Safety Instructions and Warnings
1.2
Do not drop the device / the system’s components or subject it / them
to strong impacts or mechanical shocks.
The limits described under Technical Data may not be exceeded.
The device / system must be in a technically perfect condition for
measurement.
The indicated degree of protection can only be ensured if plugs or the
provided protection caps are put in all sockets of the device.
The plugs of the supplied connection cables are only compliant to the
indicated degree of protection as long as they are plugged in. Plugs
which are not connected or which are connected in a wrong way are
not protected from water and dust ingress.
If the O-ring seal of a socket is obviously damaged, it must be replaced
in order to ensure the total protection against water and dust ingress.
General Notes
Safety precautions This manual contains basic instructions for the commissioning and operation of the
device / system. For this reason, it is important to ensure that the manual is always
available to the authorised and trained operator. He needs to read the manual
thoroughly. The manufacturer is not liable for damage to material or humans due to nonobservance of the instructions and safety advices provided by this manual.
Locally applying regulations have to be observed!
Labelling of safety The following signal words and symbols are used in this manual and on the product
instructions itself:
Signal word / Description
symbol
CAUTION
NOTICE
Indicates a potential hazard which may result in moderate or minor
injury if not avoided.
Indicates a potential hazard which may result in material damage if not
avoided.
Serves to highlight warnings and safety instructions.
As a warning label on the product it is used to draw attention to
potential hazards which have to be avoided by reading the manual.
Serves to highlight important information and useful tips on the
operation of the device/system. Failure to observe may lead to
unusable measurement results.
Check contents Check the contents of the package for completeness and visible damage right after
receipt. In the case of visible damage, the device must under no circumstances be taken
into operation. If something is missing or damaged, please contact your local sales
representative.
Working with products It is important to observe the generally applicable regulations of the country in which the
from SebaKMT device will be operated, as well as the current national accident prevention regulations
and internal company directives (work, operating and safety regulations).
Safety Instructions
Use genuine accessories to ensure system safety and reliable operation. The use of
other parts is not permitted and invalidates the warranty.
Repair and Repair and maintenance work has to be carried out by SebaKMT or authorised service
maintenance partners using original spare parts only. SebaKMT recommends having the system
tested and maintained at a SebaKMT service centre once a year.
SebaKMT also offers its customers on-site service. Please contact your service centre if
needed.
Special transportation The lithium batteries of the device are dangerous goods. The transport of the batteries
requirements itselves and of devices which contain such batteries is subject to regulations based on
the UN Model Regulations “Transport of Dangerous Goods” (ST/SG/AC.10-1).
Please inform yourself about the transportation requirements and follow them when
shipping the device.
Electromagnetic This device is designed for industrial use. When used at home it could cause
radiation interference to other equipment, such as the radio or television.
The interference level from the line complies with the limit curve B (living area), the
radiation level complies with the limit curve A (industrial area) according to EN 55011.
Given that living areas are sufficiently far away from the planned area of operation
(industrial area), equipment in living areas will not be impaired.
Frequently used menus
Frequently used menus
2.1
Start menu
The Start menu appears on the screen after the device has been switched on.
In addition, the "ESC" pushbutton takes you back directly to the Start menu from every
menu level.
Element Description
Measuring mode selection
Arrow buttons
… Run forward / backward through the available
measuring methods.
Big central button … Opens the relevant measuring mode menu or starts the
correlation.
Main menu
Starts the Correlation
Opens the Pipe data menu
Opens the Tools menu
Opens the System settings menu
Goes Back to the previous menu
Info line
This line provides information on the display, comments and notes on how to
proceed. On the right, the Correlator's battery status and the time are
shown.
this symbol indicates info texts
this symbol indicates warnings
this symbol indicates that an Offline measurement is in progress
shows the Correlator battery level
Firmware version / Date / Identification number (ID) of the device
Frequently used menus
Element Description
Battery level of the received Power transmitters or Multi sensors.
Multi sensors
No. 1 to 3
Power transmitters
A and B
fully charged
no radio signal
critical
10
charging
Frequently used menus
2.2
Pipe data menu
In the Pipe data menu the properties of the pipe can be specified.
The menu can be opened by
tapping the button
in the main menu
tapping the button between the two diagrams in the Correlation menu,
representing the pipe (see next section: button
Sensor ID at
1st measuring
point
Sensor ID at
2nd measuring
point
Visualization of
the pipe line
Drop-Down Lists:
Input fields:
Total length of
the line
between the
meas. points
Material
…
Select the pipe section's material.
Diameter
…
Select the pipe section's diameter.
Velocity
…
Input field for the pipe section's sound velocity.
The displayed value automatically adjusts to the
selected pipe material. The value can be entered
manually when needed as well. For this purpose,
tap the field. A numeric keypad for input opens.
Length
…
Select the pipe section's length.
Tap the field. A numeric keypad for input opens.
Use these buttons to devide the pipe line displayed in up to
12 sections.
Use these buttons to move from one pipe section to the next.
pipe section
length
pipe section
material
The selected pipe section is "highlighted" with a white bar. The pipe parameters in the
four input fields refer to this section.
11
Frequently used menus
12
Frequently used menus
2.3
Correlation menu
After starting a correlation the result is displayed in the following view:
Correlation curve
Coherence curve
Element Description
Correlation curve
Result from comparing the recordings of the two sensors with regard to the
delay time of the signals.
Tap the diagram area to open the Correlation analysis menu which provides a
number of analysis tools.
Coherence curve
Result from comparing the recordings of the two sensors with regard to the
frequency range of the recordings.
Tap the diagram area to open the frequency filter settings.
Pipeline between A and B
The grafic illustrates the pipeline between the measuring points A and B with
all its sections.
Tap the grafic to open the Pipe data menu.
Distance from the measuring point to the leak
Measuring point A / B
Indicates whether the Power transmitter A or B is installed at this measuring
point. Tap the button to open the Audio menu which can be used to listen to
the leak noise.
Noise level at the measuring point
The height of the bar reflects the noise level at the measuring point.
Quality of the radio link between transmitter and Correlator
Lag value
Indicates the delay of the leak noise between the two sensors.
The colour of the numbers shows how reliable the result of this correlation is:
green
yellow
red
… "good" correlation, reliable result
… correlation is not optimal
… "bad" correlation; unreliable result
13
Frequently used menus
Element Description
negat.
posit.
… the leak is on the left from the center of the line
… the leak is on the right from the center of the line
Term of the correlation
Specifies how long the displayed correlation is already running.
Any interruption resets the counter to 00:00:00.
14
Frequently used menus
2.4
Correlation menu (Offline measurement)
In Offline measurement mode with Multi sensors, the Correlation menu differs in the
following aspects from the menu in Online measurement mode.
Element Description
Number of correlated audio blocks
The displayed curve is the result of an averaging from up to 10 single
correlations (due to 10 noise recordings during one measurement period).
The index shows how many single correlations are included in the calculation.
Number of the sensor at the measuring point
Pipeline between the measuring points
The grafic illustrates the pipeline between the measuring points.
Tap the grafic to open the Pipe data menu.
Intallation points of the
sensors no. 3 and no. 4
Pipeline sections
15
Frequently used menus
16
Frequently used menus
2.5
Correlation analysis menu
Tapping the Correlation curve always opens the following menu which provides tools
for analysing the correlation.
Zoom … to magnify a section of the curve
Tap the button, then mark the area to be magnified in the diagram,
i.e. tap and draw out the required range.
Zoom-Reset … to reset the curve to its initial state
Magnification and suppression are abolished. The entire correlation curve
is displayed.
Zoom opt. … to magnify the curve optimally, relative to the measuring
distance
Exactly the part of the correlation curve is shown, which refers to the pipe
between the two measuring points.
Move cursor … to read the lag value or the distance to the leak at any
point of the curve
Tap the button, then move the vertical red line in the diagram.
Suppress … to hide a section of the curve
Tap the button, then mark the area to be suppressed in the diagram,
i.e. tap and draw out the required range.
Suppress individual audio blocks (only Offline measurement)
Opens a menu showing the 10 single correlations of this pair of sensors.
"Bad" single-correlations can be 'deactivated' and, by this means,
excluded from the total-correlation.
Tap the button. In the menu that opens, tap the required fields to
remove/set the checkmark. Use the Back button
correlation analysis menu.
to return to the
Pause
Interrupts the current correlation.
Continue
Continues the interrupted correlation, but does not reset the averaging.
Refresh
Resets the averaging and restarts the correlation.
Store
Opens the Correlation management menu to store the displayed
correlation data in the Correlator's data base.
17
Frequently used menus
18
Frequently used menus
2.6
Frequency analysis menu
Tapping the Coherence curve always opens the following menu which provides tools
for analysing the frequency range.
Correlation
curve
Coherence
curve
Lower frequency limit
Shows the lower limit of the adjusted frequency range.
Tap the button to change the value.
Bandpass … to isolate a frequency range
Tap the button, then mark the required range in the frequency diagram.
The correlation is updated. The frequencies outside the selected range
are suppressed.
Filter reset
Tap the button to reset the frequency filter settings to the initial state.
Bandstop … to suppress a frequency range
Tap the button, then mark the required range in the frequency diagram.
The correlation is updated. The selected frequency range is suppressed.
Upper frequency limit
Shows the upper limit of the adjusted frequency range.
Tap the button to change the value.
Frequency spectrum
Allows to change between the following frequency diagram
options:
Coherence
… Coherence of the recordings of both sensors.
Spectrum L … Frequency spectrum of the sensor on the left.
Spectrum R … Frequency spectrum of the sensor on the right.
Spectrum L+R … Frequency spectra of both sensors.
Orange curve … Sensor A
Yellow curve … Sensor B
Automatic search for best filter
Provides 10 possible filter settings.
19
Frequently used menus
20
Frequently used menus
2.7
Audio menu
Tapping the buttons A / B / Sensor number
in the Correlation menu opens the
Audio menu which allows listening to the leak noise using the delivered headphones.
Headphone
volume
slide control
Frequency
curve
Listen only to the left sensor
Only the noise recorded by the sensor on the left is reproduced.
Listen to both sensors
The combined noise of both sensors is reproduced.
Listen only to the right sensor
Only the noise recorded by the sensor on the left is reproduced.
Headphones ON/OFF
Tap the button to enable / disable the connected headphones.
Pitching ON/OFF
This function lifts very low frequencies artificially up to a higher
frequency range to make them more audible to humans.
Audio filter: Lower limit
Shows the lower limit of the frequency range to be reproduced on the
headphones. Tap the button to change the value.
Audio filter: Bandpass
Specify the frequency range to be reproduced. Frequencies out of this
range are suppressed.
Audio filter: Reset
Tap the button to reset the audio filter settings to the initial state.
Audio filter: Bandstop
Specify the frequency range to be suppressed on the headphones. Only
the frequencies outside the selected range are reproduced.
Audio filter: Upper limit
Shows the upper limit of the frequency range to be reproduced on the
headphones. Tap the button to change the value.
21
Frequently used menus
22
Frequently used menus
2.8
Audio menu (in Pinpointing mode)
In Pinpointing mode, the Audio menu differs in the following aspects from the standard
Audio menu:
Noise level /
frequency
report
Microphone
gain control
On the left, the Instantaneous value and the Minimum value of the current
measurement are displayed.
Narrow bar: Instantaneous value
The bar's height represents the current noise level.
The bar's color illustrates the frequency of the current noise.
Additionally, level and frequency are displayed inside the bar
numerically.
Wide bar: Minimum value
The bar's height represents the lowest noise level of the
measurement.
The bar's color illustrates the frequency of this lowest noise.
Additionally, level and frequency are displayed below the bar
graph numerically.
By means of the second slide control the gain of the ground microphone can be
adjusted.
Slide to the left
Slide to the right
…
…
Decrease the microphone gain
Increase the microphone gain
23
Frequently used menus
24
Technical description
Technical description
3.1
Function
The Correlux C-3 correlator locates leaks in drinking water pipes.
Pressurized water at the leak location creates a noise which travels out in all directions
of the pipe. This noise is recorded, amplified and sent wirelessly to the correlator by two
sensors (piezo microphone, hydrophone) which are attached to the pipe (e.g. valve,
hydrants). The Correlux C-3 compares both signals (correlation) and calculates the
exact distance to the leakage on the basis of the delay time of the signals, the sensor
spacing and the sound velocity in the pipe.
The Correlux C-3 is suitable for both immediate measurement ("Online measurement")
as well as time-shifted measurement ("Offline measurement" or "Night measurement")).
Online measurement
In a so-called Online measurement, the noise recording and the correlation of the data
take place at the same time.
Step Description
Installing the Power transmitters "A" and "B" at two measuring points.
Noise recording, at the same time data transfer and live data correlation on the
Correlator.
Offline measurement
In a so-called Offline measurement, the correlation of the measured data takes place
only after the noise recording has been terminated.
Step Description
Programming the sensors (Multi sensors and Power transmitters) using the
Correlator.
Installing the sensors at up to 8 measuring points.
Noise recording, immediately or at a preset time (e.g. at night).
Collecting the sensors.
Reading and analyzing the measured data using the Correlator.
Pinpointing
To determine the exact location of the leak after the correlation, a pinpoint search can
be performed using the Multi sensors or the ground microphone connected to the
correlator.
25
Technical description
3.2
Features of the set
The Correlux C-3 set mainly comprises the following components:
Correlator
2 Power transmitters with microphone
for recording the leak noise at two measuring points and sending the recorded
data to the correlator for an Online correlation
The set can be extended by the following components:
up to 8 Multi sensors
for recording the leak noise at up to 8 measuring points simultaneously, followed
by an Offline correlation
hydrophones
for recording the leak noise directly at the water column
a ground microphone
for pinpointing the leak after correlation
The Transport case offers space for the Correlator, 2 Power transmitters and
3 Multi sensors. The case is not only for storage and transportation purposes, but also
functions as a charging station for the devices.
3.3
Communication of the components
The components of the system communicate with each other in the following ways:
Participating devices
Communication channel
Correlator  Power transmitter
Short range radio (digital or analogue)
Correlator  Multi sensors
Short range radio (digital)
Correlator  Computer
USB cable
Correlator  Ground microphone
Connection cable
26
Technical description
3.4
Power supply
The Correlator, the Power transmitters and the Multi sensors come with internal
rechargeable Li-Ion batteries.
The storage places of the individual devices in the transport case function as charging
stations. As soon as a device is placed in/on its station in the case, the device is
automatically charged, provided the case is connected to mains or to a 12 Volt vehicle
power supply.
NOTE
When connected to the electrical system of a car, the transport case is
powered by the vehicle's battery, even while the vehicle is not in
operation. This could result in the complete discharge of the vehicle
battery.
When you park the car, disconnect the Correlux transport case from the
vehicle power supply.
You can find more information in the chapters which describe the individual devices.
3.5
Scope of delivery
Standard accessory The basic set comprises the following devices and accessories:
Part
Description
Art.no.
COR C-3
Correlator
1006550
COR PT-3A
Power transmitter A
1004779
COR PT-3B
Power transmitter B
1004780
PAM CORR-2
2 x active universal microphone for COR PT-3
820019615
CPK 3-B
Case for COR C-3 (Basis)
2007235
LG C-3
Charging unit for CPK 3/CMK 3
1006646
LK 13
Car charging adaptor, 3.5m
810000006
KR 22-5
Stereo headphones
810002087
VST T-1
2 x extension rod for PAM T-2/U
810000103
VK 77
Connection cable set Sebalog D (USB)
820012451
2 x nylon cord 3mm blue, 2m
304035025
CSW CorreluxView C-3
PC software
1006584
Additional accessory The following devices and accessories are available to extend the basic set.
Part
Description
Art.no.
COR MS-3
Multi sensor
1004815
CMK 3-8-MS
Case for 8 Multi sensors COR MS-3
2005301
LOG TP
Trivet adaptor
128309877
LOG MWA
Magnetic angled adaptor
118303355
Set of labels COR C-3 (1 - 8)
2007321
27
Technical description
3.6
Technical data
Correlux C-3 is specified by the following parameters:
Correlator Parameter
Value
COR C-3
Display
5,7'' VGA color display
640 x 480 pixels
Operation
Touch display,
Rotary encoder with ENTER function,
On/Off pushbutton
Power supply
Internal rechargeable Li-Ion battery,
12 V DC charging pins
Operating time
min. 16 h
PC interface
USB
Connections
Sensor (microphone/hydrophone),
12 V DC / headphones (combined)
USB / GPS (combined)
External antenna 1 (digital radio)
External antenna 2 (analogue radio)
Dimensions
250 x 190 x 100 mm
Weight
1.9 kg
Degree of protection
IP 65
Power transmitter Parameter
COR PT-3A/B
Sensor
Value
Piezo sensor with active amplifier (standard) /
hydrophone (optional)
Indicators
I/O LED (device On/Off)
Radio LED (radio module On/Off))
Row of LEDs (battery status or measured noise level)
Operation
On/Off pushbutton
Power supply
Internal rechargeable Li-Ion battery,
inductive charging
Operating time
min. 12 h
Connections
Sensor (microphone/hydrophone),
Radio antenna
Dimensions (without
handle)
Ø 125 x 111 mm
Weight (without sensor)
0.9 kg
Degree of protection
IP 68
28
Technical description
Sensor Parameter
PAM CORR-2
Type
Value
Piezo sensor with magnetic adaptor
(to be connected to Power transmitter or Correlator)
Active amplification
yes
Dimensions
Ø 38 x 78 mm
Weight
0.4 kg
Multi sensor Parameter
COR MS-3
Sensor
Value
Integrated piezo sensor with active amplifier
Adaptor
Magnetic adaptor
Indicators
Status LED
Operation
On/Off magnetic switch
Power supply
Internal rechargeable Li-Ion battery,
inductive charging
Operating time
min. 16 h
Dimensions
Ø 45 x 115 mm
Weight
0.4 kg
Degree of protection
IP 68
29
Technical description
30
The Correlator
The Correlator
4.1
Design
The device has the following control elements and external features:
Element Description
Rotary encoder
Turning
Pressing
… Leads through the buttons and input fields displayed
… Executes the selected button or enters the input field
ESC pushbutton
exits the current menu and returns to the Start menu
I/O pushbutton
Short pressing … Switches the device on or activates the backlight
Long pressing … Switches the device off
Charging indicator light
Charging pins
to charge the device wireless in the transport case
Ventilation / venting membrane
Touch screen
(the Touch function can be enabled/disabled in the sytem settings)
31
The Correlator
The device has the following connection sockets:
Element Description
Antenna 1 (digital radio)
data transfer in Offline measurement mode
Antenna 2 (analogue radio)
data transfer in Online measurement mode
Microphone
connection socket for ground microphone
12V DC
connection socket for headphones
USB / GPS
combined connection socket for
USB cable
GPS receiver
32
The Correlator
4.2
Power supply
The Correlator is fitted with an internal rechargeable Li-ion battery. This can power the
device for approximately 16 hours. The battery’s present charge level is shown
continuously by the battery symbol bottom right of the screen.
When the battery is low, a warning tone is heard and a warning message appears on
the screen. The device must then be recharged, otherwise, it switches itself off
automatically.
Charging The correlator is charged wirelessly in the C-3 transport case.
As soon as the device is situated at it's storage place in the case, it is recharged via the
two pins
, provided the case is connected to mains or a 12 Volt vehicle power
supply. The red indicator light
is lit while the device is charging.
The correlator is switched on during the entire charging process and can not be
deactivated. After the end of charging, the device remains switched on for the Auto-OFF
period specified in the system settings.
Charging takes approximately 12 hours.
Heat is generated while charging. The charging station in the case therefore has a
temperature switch. The charger switches off automatically when it gets too warm in the
case. It turns back on as soon as the degree of heat has fallen below a certain level.
NOTE
In order to prevent damage, observe the following precautions when
charging:
Use only the charging station in the transport case. Do not use other
chargers.
The ambient temperature should be between 10°C and 35°C
(50°F and 95°F).
To avoid heat accumulation, do not close the lid of the case at high
ambient temperatures during charging.
If you experience problems with the battery, please contact your
SebaKMT sales partner. Do not open the device yourself.
33
The Correlator
4.3
Design of the user interface
All the menu levels on the Correlator's user interface consist of a large display area, the
main menu bar and an info bar.
Display
area
Info bar
Main menu
helptext ++ helptext ++ helptext
Main menu Using the buttons in the main menu bar you can access the individual functions of the
device.
Correlation
Pipe data
Measurement
Quick start
to begin a
correlation
Menu to specify
the pipe
parameters
(length, material,
diameter, etc.)
Functions for the
preparation,
implementation,
and analysis of
measurements
Settings
Back
Functions for
Return to the
managing devices,
previous
correlation data setss menu level
and system settings
Info bar The info bar provides the following information (from left to right):
a help text with short explanations for the selected element (button / field / box) or
on how to proceed
the battery symbol indicates the charge level of the battery
the correlator's internal time
34
The Correlator
4.4
Basics of operation
4.4.1
Input methods
Entries can be made directly on the screen or via the rotary encoder.
2 ways of entering data
Touch display
Rotary encoder
The correlator screen is touch-sensitive.
All entries can be made directly on the
screen.
The correlator has a rotary encoder.
All entries can be made using the rotary
encoder.
The buttons or fields displayed can be
called or executed by tapping with your
finger.
Turn the rotary encoder to navigate
through the displayed buttons.
Press the encoder to call the selected
button (ENTER function).
You can always switch between operating via touch screen and operating via rotary
encoder.
4.4.2
Entering identification numbers (IDs)
Introduction Various functions require the identification numbers (IDs) of the Power transmitters or
Multi sensors to be specified.
The ID is deduced from the last six digits of the device's serial number (short: SN). You
find the serial number on the nameplate of the device.
Example:
Serial number (SN):
0888000225
000225
Identification number (ID):
225
Entry on correlator / PC:
You can enter device IDs manually or you can use the "Automatic device detection".
Automatic detection means that, when a device is activated its ID is sent to the
Correlator. There, it is detected and displayed.
35
The Correlator
For entering a device ID the following screen view, or a similar one, opens:
DEL
ENTER
Accept
Decline
Finish
…
…
…
…
…
Deletes the last character
Confirms and completes the input
Accepts and enters the automatically detected ID
Does not accept the automatically detected ID
Completes the automatic detection
Manual entry For the manual entry of IDs, the number pad displayed is used. Confirm your entry with
the ENTER button.
When inputting an ID, the preceding zero digits can be omitted.
Thus, if the ID is ‘000225’, you need only enter ‘225’.
Automatic detection To the right of the number pad, there are fields and buttons for the automatic sensor
detection. The devices concerned must be close to the correlator.
To register a Power transmitter to the correlator, briefly press the I/O pushbutton of the
device. To register a Multi sensor, briefly move a magnet past the sensor's I/O area, so
that the LED lights up briefly. As a result, the device's ID is sent, detected by the
Correlator and displayed there. Use the provided buttons to accept or decline the ID.
This way, multiple sensor IDs can be registered to the Correlator in quick succession.
4.4.3
Entering text
To input comments or similar, a virtual keyboard appears on the screen. Enter the
required text and confirm with OK.
36
The Correlator
4.4.4
Sorting devices in lists and tables
In various menus, device IDs or other information are listed in a kind of table.
For example, the following picture shows a list of all Multi sensors registered to a
Correlator (the so called 'sensor pool').
If a black triangle can be seen in the header of a column, you have the chance to
change the sort order (ascending / descending) according to the parameter shown in the
header. Just tap the respective header.
Changing the sort order is only possible via touch screen, not via the rotary encoder.
4.4.5
ESC pushbutton and Back button
You can use the ESC pushbutton
to cancel any started function and exit each
menu. This immediately returns you to the start screen.
You can use the Back button
menu level.
in the main menu bar to return to the previous
37
The Correlator
4.5
Commissioning
4.5.1
Switch the correlator ON/OFF
Switching ON The correlator is switched on with the I/O pushbutton
. The boot process takes a few
seconds, then the Start menu appears on the screen. The device is now ready.
Switching OFF To switch the correlator off, press the I/O pushbutton until the screen turns off
(approx. 2 seconds).
Auto-OFF The Commander automatically switches off if no input is made within a specified time
period. This timespan can be configured in the system settings.
4.5.2
Basic settings at initial start-up
When the correlator is switched on for the first time, two consecutive 'Welcome menus'
appear on the screen. There, some basic system settings have to be made before the
Start menu can be entered.
Language, In the menu that appears first, use the upper pull-down list to select your language. The
date and time Correlator's operating language immediately adapts to your selection. After that, give the
remaining requested details.
Line
Description
Daylight saving time
Select whether currently is winter or summer time.
Date format
Select a format for the correlator's system time.
DD
MM
YYYY
Date / Time
…
…
…
Day
Month
Year
Enter the current time (hours:minutes:seconds) and date
(day:month:year).
Confirm with OK. The menu is closed. The settings are accepted. You have the chance
to change these settings again in the Correlator's system settings menu, at any time.
38
The Correlator
Devices of your set Specify in the next menu, which devices are part of your Correlux C-3 set. Activate the
relevant checkbox/es.
The statements made here determine which measuring methods will be offered in the
Correlators Start screen.
Example: If you select no checkbox except "COR PT-3", the Online measurement
method "COR PT-3 with microphone" will be the only available method in the Start
screen.
Confirm with OK. The settings are accepted. The menu is closed and the Start menu
appears.
You have the chance to change these settings again in the correlator's system settings
menu, at any time.
4.5.3
Change the language
The operating language can be changed in the system settings of the device.
If currently a foreign language is set, call the Start menu (ESC button) and follow these
symbols:
Î
Î
Next to the second flag you find a pull-down list with all available languages.
39
The Correlator
4.5.4
Enable/Disable the touch screen (touch sensitivity)
The touch function of the screen can be disabled/enabled. As long as the function is
switched off the correlator can only be operated using the rotary encoder.
Proceed as follows:
Step Description
In the main menu, tap the button
In the displayed menu, tap the System settings button.
Result: The system settings menu is opened.
Use the buttons Next and Previous to browse through the available settlings.
4.5.5
Look for the Touch option.
Enable/Disable the corresponding checkbox.
Activate the display light
The display light is switched on by
touching the screen (provided the touch function is not disabled)
turning the rotary encoder
pressing the I/O pushbutton briefly
The light remains on for a certain time period. The length of this period (a maximum of
4 minutes) can be adjusted in the system settings.
40
The Correlator
4.6
Systeme settings
By means of the System settings various device settings can be customized to the
needs of the user. Furthermore, the menu provides useful information on the status of
the device and the firmware used.
To access the System settings menu, proceed as follows:
Step Description
In the main menu, tap the button
In the displayed menu, tap the System settings button.
Result: The system settings menu is opened.
Use the buttons Next and Previous to browse through the available settlings.
4.6.1
Basic settings
The following basic settings can be made
Line
Backlight Backlight
switch off
Auto-OFF Turn off autom.
after
Description
Select a period of time for the backlight until it is switched off
automatically.
Explanation: If no entry is made, the display light is switched off
automatically after a period of time. Specify the length of this period
here. If you select never, the backlight will remain on permanently.
Select a period of time for the correlator until it is switched off
automatically.
Explanation: If no entry is made, the device switches itself off
automatically after a period of time. Specify the length of this period
here. If you select never, the correlator will remain switched on
permanently.
41
The Correlator
Key tone Keybeep
Language Language
Time and date Timezone
Activate/deactivate the key tone that sounds when a button is tapped
or the rotary encoder is pressed.
Select your language.
Select the time zone for where you are.
Daylight saving Select whether it is currently winter or summer time.
time
Date format
Select the date format to be used by the correlator.
DD
MM
YYYY
Date / Time
Format of units Measurement
units
…
…
…
Day
Month
Year
Enter the current date and time (hour:minute:second) for the
correlator.
Select the system of units to be used.
Metric
… Used in Europe and most countries in the world
Imperial … Used in the US
Reset system settings Factory settings Tap the Reset button if you want to reset all system settings to
factory defaults.
Touch screen Touch
ON/OFF
Averaging during Averaging
correlation
Enable/Disable the touch function of the screen.
As long as the function is switched off the correlator can only be
operated using the rotary encoder.
Select the averaging interval.
Explanation: When performing an Online measurement, the
calculation will automatically be restarted and the displayed
correlation curve will be updated at regular intervals.
no averaging
…
No averaging takes place.
20 s
…
Averaging of the correlation curve takes place
in a 20 seconds interval.
unlimited
…
Averaging of the correlation curve takes place
with every new received measuring data
package.
Available measuring Available quick Specify which devices are part of your Correlux C-3 set.
methods in Start menu start buttons
Enable/Disable the relevant checkbox/es.
Explanation: The statements made here determine which measuring
methods will be offered in the correlator's Start screen.
Example: If you select no checkbox except "COR PT-3", the Online
measurement method "COR PT-3 with microphone" will be the only
available method on the Start screen.
42
The Correlator
Frequency scale Frequency
linear / logarithmic scale
Select if the X-axis of the coherence diagram in the Correlation menu
shall ascend in a linear or logarithmic way.
Explanation: The frequency range of the Correlux C-3 system is from
0 to 3.300 Hz. The logarithmic view results in a wider display area for
lower frequencies.
logarithmic:
linear:
4.6.2
System info
The System settings menu has the following information on the device and the
firmware currently in use:
4.6.3
Line
Description
Free space
The correlator's free memory space in MB
Software version
Firmware version
Software date/time
Date of last firmware update
ID
Identification number of the correlator
Store the settings
When leaving the system settings menu all the settings are automatically stored and
accepted.
4.7
Hardware reset
If the correlator stops responding to inputs (neither from touch screen nor from rotary
encoder or pushbuttons), a hardware reset can be performed.
Hold down the rotary encoder
and the ESC pushbutton
at the same time for
about one second. The correlator restarts automatically. This usually rectifies the
malfunction.
If the malfunction persists after this normal reset, try the following: Hold down the rotary
encoder and the ESC pushbutton at the same time for about three seconds.
The correlator switches off. Wait about a minute before switching the device back on.
The correlator should now function correctly again.
43
The Correlator
4.8
Communication
4.8.1
Connection between the correlator and the sensors
Short range radio is used for communication between the correlator and the sensors
(Power transmitters and Multi sensors)
Digital radio is used for Online measurements. Analogue radio is used for Offline
measurements. Therefore, the correlator is equipped with two radio antennas.
Antenna 1
Antenna 2
4.8.2
…
…
Digital radio
Analogue radio
Connection between the correlator and the computer
The delivered VK 77 connection cable is used to connect the correlator to a PC/laptop.
This connection is needed for
correlation data transfer to computer
firmware update file transfer to the correlator
Connecting To connect the correlator to a computer, proceed as follows:
Step Description
In the main menu, tap the button
In the displayed menu, tap the Connect to PC button.
Establish the cable connection.
Connect the round plug of the cable to the USB/GPS socket
of the correlator.
Markings on the plug and socket ensure that the plug is lined up correctly. You
must feel the plug engage.
Tap the Connect button on the correlator.
Result: The connection is made. The correlator is automatically detected by the
computer as a mass storage device. As soon as the "Connected" message on the
correlator’s screen appears, data can be transferred.
If no connection is made, check the cable connection again. If necessary, disconnect
the correlator from the computer, restart it or perform a reset, and follow steps 1 to 4
once again.
Disconnecting To end the connection, select the Disconnect button on the correlator. As soon as the
"Disconnected" message appears, the connection cable can be removed.
44
The Power transmitters
The Power transmitters
5.1
Design
Each Power transmitter has an active amplifier for the microphone signal, a data
memory, a rechargeable Li-Ion battery, a digital radio module and an analog radio
module with antenna inside.
The devices have the following external characteristics:
Element Description
Sensor storage place
Sensor socket
for connecting the microphone / hydrophone
I/O pushbutton
short pressing
long pressing
… switches the device on
… switches the device off
Ventilation / venting membrane
Antenna socket
for connecting the analog radio antenna
45
The Power transmitters
Indicator light The Power transmitters have the following lights (LEDs):
Element Description
Row of LEDs
lit green
lit red
… represents the current battery level
… represents the noise level
Radio LED
lit green
flashing
not lit
… the device is switched on
… the device is charging
… the device is switched off
I/O LED
lit red
not lit
5.2
… the device is in "Active" mode,
noise measurement in progress
measurement data is being sent to the correlator
… the device is in "Stand-by" mode,
no measurement in progress,
no radio traffic
Identification number (ID)
Each Power transmitter has its own six-digit identification number (short: ID). Using this
ID the device in the correlator and the Correlux View PC software can be managed and
clearly identified.
The ID is deduced from the last six digits of the device's serial number (short: SN).
You find the serial number on the nameplate of the device.
When inputting an ID on the correlator or computer, the preceding zero digits can be
omitted.
46
The Power transmitters
5.3
Power supply
The Power transmitters are fitted with internal rechargeable Li-Ion batteries which can
power the devices for at least 12 hours.
Battery level On the device, the current battery status is indicated by the row of LEDs
when it is
green. (Red light represents the recorded noise.) If only one of five LEDs is lit, the
device should be charged. Otherwise, it switches itself off automatically.
In the Start menu of the correlator two battery icons indicate the current battery status of
the Power transmitters, provided both devices are switched on and in reach.
To know the exact battery state of a Power transmitter, read the unit's configuration and
see the Battery level line in the respective menu.
Charging The Power transmitters are charged wirelessly in the transport case.
As soon as the devices are situated at their storage places in the case, they are
recharged inductively, provided the case is connected to mains or to a 12 Volt vehicle
power supply.
Charging takes approximately 12 hours. The row of LEDs
indicates the charging
progress. The I/O-LED
is flashing during the process. It returns to permanent light
as soon as the battery is full.
NOTE
In order to guarantee the devices' water and dirt resistance, any repairs
must be carried out by SebaKMT or an authorised service partner.
Do not open a Power transmitter yourself. If you have problems with the
battery, please contact your SebaKMT service partner.
5.4
Commissioning
Switching ON/OFF To turn a Power transmitter on, briefly press the I/O pushbutton
To turn the device off, press the button until the LED goes out.
. The I/O LED is lit.
Stand-by The Power transmitter's sensor storage place
is fitted with a magnetic switch. As a
result, the transmitter "knows" whether the microphone is currently in use or not.
As long as the microphone rests in the storage place, the Power transmitter remains in
"Stand-by" mode. The internal analog radio module stays off as no measuring data
needs to be transferred. This saves battery power.
As soon as the microphone is taken from the storage place, the Power transmitter
switches from "Stand-by" to "Active" mode. The internal radio module is activated and,
from now on, the recorded data are directly sent to the correlator. The row of LEDs
switches from green to red and represents the recorded noise level.
47
The Power transmitters
48
The Multi sensors
The Multi sensors
6.1
Design
Each Multi sensor has a highly sensitive piezo microphone with active amplifier, a data
memory, a rechargeable Li-Ion battery and a radio module with antenna inside.
The devices have the following external characteristics:
Element Description
Indicator light
flashes green
flashes yellow
flashes red
flashes rapidly
no light
…
…
…
…
…
battery OK
battery critical
device needs to be re-charged
device is charging
device is turned off
ON/OFF contact area I/O
Magnetic foot (replaceable)
Type plate
Carrying ring (removeable)
6.2
Identifikationsnummer (ID)
Each Multi sensor has its own six-digit identification number (short: ID). Using this ID the
device in the correlator and the Correlux View PC software can be managed and clearly
identified.
The ID is deduced from the last six digits of the device's serial number (short: SN). You
find the serial number on the nameplate of the device.
When inputting an ID on the correlator or computer, the preceding zero digits can be
omitted.
49
The Multi sensors
6.3
Power supply
Battery level The Multi sensors are fitted with internal rechargeable Li-Ion batteries which can power
the devices for at least 16 hours.
In the Start menu of the correlator up to eight battery icons can be seen. They indicate
the current battery status of the registered Multi sensors in reach. To know the exact
battery state of a Multi sensor, read the unit's configuration and see the Battery level
line in the respective menu.
When the battery level of a Multi sensor falls below a certain threshold, the indicator
light of the device will blink red. The unit must then be recharged, otherwise it switches
itself off automatically.
Charging The Multi sensors are charged wirelessly in the transport case.
As soon as the sensors are situated at their storage places in the case, they are
recharged inductively, provided the case is connected to mains or to a 12 Volt vehicle
power supply.
Charging takes approximately 6 hours. The units' indicator lights are rapidely flashing
during the process. The indicator lights turn to permanent green light as soon as the
battery is full.
CAUTION
No objects must be put into empty charging stations.
Risk of fire due to the induction !
The charging stations are for transport and charging of the
Multi sensors only.
NOTE
In order to guarantee the devices' water and dirt resistance, any repairs
must be carried out by SebaKMT or an authorised service partner.
Do not open a Multi sensor yourself. If you have problems with the battery,
please contact your SebaKMT service partner.
6.4
Switching ON/OFF
The Multi sensors have an internal magnetic switch.
To turn a Multi sensor on, briefly hold a magnet (e.g. the foot of another Multi sensor) in
front of the sensor's I/O area
. The device turns on. The indicator light flashes
3 times.
To turn the device off, hold a magnet in front of the I/O area for approximtely 2 sconds.
The indicator light will flash 2 times before it goes out.
50
The Multi sensors
6.5
Installation
The Multi sensors should be installed directly on the pipe but, however, you can also
attach them to valve rods or hydrants, for example, or any other position along the
pipeline that is easily accessible. Due to their powerful magnet, the sensors can also be
attached horizontally to ferromagnetic surfaces.
There must be the best possible contact between the sensor foot or the mounted
adapter (see below) and the pipe. If need be, clean the contact point thoroughly
(preferably with a wire brush).
6.6
Adapter
The magnetic foot of the Multi sensor can be unscrewed and replaced by another
adaptor, e.g. by the optional magnetic angled adaptor.
51
The Multi sensors
52
Online measurement – Realtime correlation with 2 sensors
Checklist
prior to measurement
Online measurement – Realtime correlation with 2 sensors
Are the batteries of the Power transmitters and the Correlator charged?
Are the antennas properly connected to the Power transmitters and the
Correlator?
Are the microphones/hydrophones properly connected to the Power transmitters?
Has the radio of each Power transmitter been tested?
(For this, take the transmitter’s microphone from the storage place
. The
Radio LED
must now be lit. If not, put the microphone back to the storage
place, switch the transmitter off and on again and repeat the test.
Start a correlation Deploy the Power transmitters at the required measuring points and start the correlation.
Proceed as follows:
Step Description
Take the Power transmitter „A“ (orange) and go to the first measuring point.
Place the microphone on the pipe (or, alternatively, install the hydrophone).
Turn the Power transmitter on.
Take the Power transmitter „B“ (yellow) and go to the second measuring point.
Place the microphone on the pipe (or, alternatively, install the hydrophone).
Turn the Power transmitter on.
Take the Correlator and choose a position half way between the measuring
points.
Turn the Correlator on.
In the Start menu, select the required Online measuring mode
COR PT-3 with microphone or COR PT-3 with hydrophone.
Result: The Correlation menu appears. The correlation is started and displayed.
53
Online measurement – Realtime correlation with 2 sensors
Rate the correlation Use the following questions to assess the quality of the displayed correlation.
Question 1: Is the radio signal of both transmitters strong enough?
The radio symbol
strong signal
shows:
The radio symbol
weak signal
How to proceed: Continue the
measurement and start a detailed
analysis.
shows:
Meaning: continuous correlation hardly or
not possible
How to proceed:
Move closer to the
Power transmitter in question
Place the transmitter higher (e.g. on
a wall or on a traffic cone or similar)
If necessary, place the transmitter at
an other measurement point
If possible, there should be a direct
line of sight connection between
Correlator and transmitter
If still no connection can be made,
conduct an Offline measurement instead
of the Online measurement
Question 2: Is the correlation result reliable?
The curve shows one clear peak;
The curve shows no clear peak;
the lag value
is green or yellow and
does not fluctuate
the lag value
Meaning: the result is reasonable
How to proceed: Continue the
measurement and start a detailed
analysis.
Meaning: there is no leak or no accurate
localization is possible
How to proceed: If you still suppose a leak
to be here, the following can help:
Access the system settings menu,
adjust the „Averaging“ to “unlimited”
and restart the correlation.
54
is red and fluctuating
Online measurement – Realtime correlation with 2 sensors
Conduct an Offline measurement (at
night) instead of the Online
measurement.
Listen to leak noise You have the chance to listen to the sound in the pipe “live”, in order to judge whether a
leak noise or a background noise can be heard.
Use the 12 V DC socket to connect the delivered headphones to the Correlator. In the
Correlation menu, tap the button
Use the Back button
or
to open the Audio menu.
to return to the Correlation menu.
Enter pipe parameters If you assess the correlation as ”good“, in the next step specify the properties of the pipe
in order to be able to calculate the distance to the leak.
Proceed as follows:
Step Description
In the Correlation menu, tap the button between the two diagrams representing
the pipe or use the button
in the main menu.
Result: The Pipe data menu is opened.
Reproduce the pipeline.
Use the Add and Delete buttons to devide the line into sections.
Enter the pipe data (material, diameter, length) for each section.
Use the Back button
to return to the Correlation menu or the Start menu.
The entered pipe data are accepted
Result: In the Correlation menu, the distance from transmitter A or B to the leak
is displayed now.
55
Online measurement – Realtime correlation with 2 sensors
Rate the leak position Assess whether the leak position seems plausible or not.
Question 1: Is one of the values
zero or close to zero?
No
Yes
Meaning: The values seem plausible.
How to proceed: Continue the
measurement and start a detailed
analysis.
Question 2: Does each value
Meaning: The leak is located precisely at
the measuring point or outside the
correlated pipe section.
How to proceed: Cancel the
measurement. Take the relevant
transmitter and look for a new installation
point in order to enlarge the measuring
length. Then start a new correlation.
show the half of the measuring length
No
Yes
Meaning: The values seem plausible.
How to proceed: Continue the
measurement and start a detailed
analysis.
Meaning: The leak is located precisely half
way between the measuring points or a
measuring error has occurred (so called
‘center point correlation’).
How to proceed: Cancel the
measurement. Take one of the
transmitters and look for a new installation
point in order to enlarge the measuring
length. Then start a new correlation.
Detailled analysis Use the various tools to analyze the displayed correlation:
When you tap the displayed correlation curve, the Correlation analysis menu
with the relevant tools opens.
When you tap the displayed coherence curve, the Frequency analysis menu
with the relevant tools opens.
Use the Back button
to return to the Correlation menu.
Some settings for calculating and presenting the correlation curve can be changed in
the System settings menu.
56
Offline measurement - Multipoint correlation with preprogrammed sensors
Offline measurement - Multipoint correlation with preprogrammed
sensors
A group of 2 to 8 sensors is programmed for measurement and then deployed at the
measuring points. Multi sensors and/or Power transmitters can be used. The
measurement is carried out by all sensors simultaneously. During the measurement,
there is no contact between the sensors or between the sensors and the Correlator.
After the measurement, the sensors are collected and the recorded data is read, then
correlations can be carried out and displayed on the Correlator.
Checklist
prior to measurement
Is there a digital or printed pipe network plan of the relevant measuring area with
all pipe parameters?
Are the batteries of the relavant devices charged?
If Power transmitters will be used: Are the microphones properly connected?
Registering sensors Add all the required sensors to the Correlator's Multi sensor pool:
Step Description
In the Start menu, navigate to the required Offline measuring mode using the
arrow buttons.
In the main menu, tap the button
In the displayed menu, tap the Sensor management button.
In the displayed menu, tap the Edit/Manage button.
Use the displayed menu to register all sensors which are to be used.
If Power transmitters are to be used, they have to be added here as well.
A maximum of 8 sensors is possible.
Use the ESC pushbutton to return to the Start menu.
57
Offline measurement - Multipoint correlation with preprogrammed sensors
Programming and Configure the sensors for the measurement:
deploying sensors
Step Description
All sensors must be turned on.
In the Start menu, select the required Offline measuring mode.
In the displayed menu, tap the Program button.
Result: In the displayed menu, the up to 8 fields represent the sensors of the
Correlator's sensor pool.
10
Select the sensors that shall be programmed. Tap the appropriate field to
enable/disable the checkbox.
Only "enabled" sensors will be programmed and can be part of the measurement.
11
Tap the Program and Synchronize button.
58
Offline measurement - Multipoint correlation with preprogrammed sensors
Step Description
12
In the menu displayed, decide whether the measurement shall be carried out
immediately or at a later time. Tap one of the two buttons:
Instantaneous measurement
(Explanation: measurement takes
2min30sec and starts directly after the
sensors have been deployed)
Custom measurement
(Explanation: Start and end time of the
measurement are set by the user)
13
Use the Time offset field to specify the
period of time which it will take to deploy
the sensors at the individual measuring
points.
The entered time span will later be used
as a "countdown to measurement".
Use the Start of measurement field to
specify when the measurement shall
start.
Use the End of measurement field to
specify when the measurement shall be
finished.
14
Tap the OK button.
Tap the OK button.
Result: The sensors are programmed and synchronized successively.
The progress of the operation is shown on the screen.
When the operation is completed, a countdown appears on the screen showing
the time remaining before the measurement starts.
15
16
Deploy the sensors at the measuring
points.
Deploy the sensors at the measuring
points.
Result: Once the countdown reached
zero, the sensors start measuring.
A new countdown of 2min 30sec is
displayed on the Correlator screen
representing the total time of the
measurement. During this time, the
sensors simultaneously record 10 audio
blocks, each of 3 seconds length. Once
the countdown reached zero, the
measurement is completed.
Result: The sensors start measuring at
the programmed time.
A new countdown is displayed on the
Correlator screen showing the time
remaining until the programmed end of
measurement.
During this time, the sensors
simultaneously record 10 audio blocks,
each of 3 seconds length. Once the
countdown reached zero, the
measurement is completed.
When the measurement is completed, collect the sensors.
NOTE
Do not switch off the sensors.
Otherwise the recorded data would be lost.
59
Offline measurement - Multipoint correlation with preprogrammed sensors
Reading out data To read the measuring data from the sensors, proceed as follows:
Step Description
In the Start menu, select the required Offline measuring mode.
In the displayed menu, tap the Read button.
Result: The Correlator successively contacts all sensors. Thereby, the devices
are synchronized again. Then, the following menu appears:
If you want to read the audio files of all
sensors, tap the Read all button.
If you want to read just one sensor, tap
the field of the sensor in question.
Result: The audio files are successively transferred. The progress of the
operation is shown in the individual fields.
Radio packages
received
Audio files
received
Use the ESC pushbutton to return to the Start menu.
60
Offline measurement - Multipoint correlation with preprogrammed sensors
Correlation
Step Description
In the Start menu, select the required Offline measuring mode.
In the displayed menu, tap the Correlation button.
Result: A "Multi correlation" is carried out, which means that the values of all
sensors are correlated with each other. The process can take some seconds.
Subsequently, the correlation results for all sensor pairs are shown in thumbnails.
Element Description
Correlation curve
Sensor numbers of the two devices whose data are correlated.
Time distance from the middle of the pipe line to the leak.
The color of the digit indicates the quality of the correlation.
green
… good correlation, clear result
yellow
… no clear result
red
… bad correlation; no leak or no clear
lokalization possible
negat.value … the leak is on the left from the center point
posit. value
61
… the leak is on the right from the center point
Offline measurement - Multipoint correlation with preprogrammed sensors
Rate correlations The Multi correlation gives you an overview of the noise situation along the measured
pipeline. In the ideal case, the pipe sections where leaks are most likely can be
identified at a glance.
Rate the displayed correlations.
"Good correlation"
clear peak
lag value is green
lag value is not zero
Probability of a leak is high
"Bad correlation"
more than one peak
lag value is yellow or red
lag value is zero or nearly zero
No leak or no clear localization possible
If the Multi correlation shows at least one "good correlation" with one clear peak, the
probability of a leak between the respective sensors is high.
Take a closer look at the good correlations. Tap the relevant thumbnail. The
Correlation menu for this sensor pair is opened.
To be able to calculate the distance to the leak the properties of the pipe have to be
specified.
How to proceed You can call the Pipe data menu directly and enter the parameters for the pipe between
if there are pipe data the two sensors.
However, we recommend instead to switch to the "Map" menu now. This menu offers a
good overview of the used sensors and the sections of the pipe. The Map menu can not
only be used to specify the pipe parameters for all pipe sections, but also to carry out
more correlations. You find detailed information about the Map function in a separate
section of this manual.
How to proceed if there If there is no complete pipe data available, you have the chance to switch now to the
are no pipe data "Velocity measurement" menu.
This menu is for:
Calculating the distance between a sensor and the leak, although material and
diameter of the pipe are unknown.
Calculating the sound velocity in the pipe. The value can then be adopted for
further correlations.
You find detailed information on how to use the Velocity measurement function in a
separate section in this manual.
62
"Map" function
"Map" function
The Map function is a very clear and comfortable way to work with Offline Measurement
data.
In the Map menu, the existing pipe network can be reproduced on the screen. The
sensors used are shown as icons. Pipelines can be drawn between these icons and the
pipe parameters can be specified.
As soon as the network is drawn, the correlation of every possible sensor pair can be
started and displayed.
Access the Map To access the Map menu, proceed as follows:
Step Description
In the main menu, tap the button
In the displayed menu, tap the Map button.
Result: The following menu is opened.
The square boxes represent the Multi sensors (1 to 8) or Power transmitters
(A + B) used in the measurement. The icons can be arranged realistically to each
other by hand or, if the GPS coordinates of the measuring points have been
determined and stored with the Correlator, at the touch of a button.
Arrange sensor icons The sensor icons can be moved and repositioned on the screen. (Only possible via
touch screen, not possible via rotary encoder).
Proceed as follows:
Step Description
Tap the Move button.
Tap and move the sensor icons on the screen.
If GPS coordinates of the measuring points have been stored, you can use the
GPS button to arrange the sensor icons automatically.
Conclude with OK.
63
"Map" function
Draw pipelines To draw, change or delete pipelines in the map, proceed as follows:
Step Desccription
Tap the sensor icon which represents the start point of the line.
Tap the sensor icon which represents the end point of the line.
Tap the Pipe button.
Result: If there is no line between the two sensors in question so far, first the
following screen appears.
There, tap the Add button.
Result: The Pipe data menu is opened.
You can devide the displayed pipeline into individual sections if the line between
the sensors is not consistently of the same material or diameter.
Use the buttons Add and Delete to create or remove pipe sections.
To select a section, tap directly on the relevant section in the graph or use the two
arrow keys. The currently selected section is underlined white.
Enter the pipe data (material, diameter, length) for each pipe section.
Use the Back button
to return to the Map menu.
64
"Map" function
Show Leak Once the pipe net in the map is created, the correlation calculations for all sensor pairs
are automatically updated in the background.
You can display
Proceed as follows:
the
calculated
leak
between
two
sensors
in
the
map.
Step Description
Tap the first sensor.
Tap the second sensor.
Result: The leak position is marked on the map with a drop icon, provided the
correlation between the two sensors in question found a leak noise.
Example:
The correlation of the line from sensor 5 to 2 results in a leak at the marked
position.
The correlation of the line from sensor 5 to 3 results in a leak at the very
same position.
The correlation of the line from sensor 5 to 1 shows the drop icon right at
sensor 1.
This indicates either that the leak is right at sensor 1 or that the leak is near
sensor 1 but outside the correlated pipeline section.
65
"Map" function
The correlation of the line from sensor 3 to 4 shows the drop icon right at
sensor 2.
This indicates either that the leak is right at sensor 2 or that the leak is near
sensor 2 but outside the correlated pipeline section.
Start correlation To start the correlation between two sensors, proceed as follows:
Step Description
Tap the first sensor (start point of the pipeline section to be correlated).
Tap the second sensor (end point of the pipeline section to be correlated).
Tap the Correlation button.
Result: The Correlation menu is opened and the correlation curve is displayed.
Use the various analysis tools:
When you tap the displayed correlation curve, the Correlation analysis menu
with the relevant tools opens.
When you tap the displayed coherence curve, the Frequency analysis menu
with the relevant tools opens.
When you tap the buttons that symbolize the sensors at the measuring points
(e.g.
and
), the Audio menu opens which can be used to listen to the
stored leak noise. For that, connect the delivered headphones to the 12 V DC
socket of the Correlator.
Use the Back button
to return to the previous menu.
Some settings for calculating and presenting the correlation curve can be changed in
the system settings.
66
Sound velocity measurement
10
Sound velocity measurement
The Correlux C-3 system can be used to perform a sound velocity measurement in
order to determine the actual speed of sound in a pipe section.
This function is useful when no reliable information on the pipe material is available for a
pipe section or the entire measurement area. The calculated sound speed is then
accepted by the Correlator and used for the correlation.
The calculation of the speed of sound is possible in both the Online measurement as
well as the Offline measurement mode.
10.1
Velocity measurement in Online measurement mode
The Velocity measurement function compares the measuring values of the
Power transmitters while they are recording the noise from one specific source. The
sound velocity in the pipe is calculated using the sound delay.
There must be a source of noise on the pipe, which is clearly measurable for both
sensors. If such a noise source does not exist, it must be created artificially, for
example, by opening a fire hydrant.
Requirements The following conditions must be met in order to use the function:
Two Power transmitters (PT-A and PT-B) at two measuring points.
The distance between the two measuring points must be known.
The noise must be clearly measurable for both sensors.
The source of noise may be inside or outside the measuring section.
The source of noise should not be half way between the measuring points.
If the source of noise is inside the measuring section, the distance from the first
measuring point to the sound source must be known.
distance
distance
Measuring point 1
Measuring point 2
Source of noise
67
Sound velocity measurement
If the source of noise is outside the measuring section, the measuring points and
sound source must be arranged as shown on the following picture.
distance
Measuring point 1
Measuring point 2
Source of noice
Procedure Proceed as follows:
Step Description
Position the Power transmitters at the measuring points, attach the sensors
(microphones/hydrophones) and switch the devices on.
There must be radio contact between the Power transmitters and the Correlator.
(If there is a connection, the two battery symbols in the Correlator’s Start screen
reproduce the Power transmitters’ battery level. Question marks are shown if the
Power transmitters are not available.)
Make sure the required sound source does exist.
use the two arrow buttons to go to the required Offline measuring mode
(“COR PT-3”).
In the main menu, tap the button
In the displayed menu, tap the Tools button.
In the displayed menu, tap the Velocity measurement button.
Result: The corresponding menu opens.
Specify whether the source of noise is inside or outside the measuring section.
Tap the appropriate button:
Leak outside sensors
Specify the length of the measuring
section. Tap the Distance between
sensors button.
Leak between sensors
Specify the length of the measuring
section. Tap the Distance between
sensors button.
Specify the distance from the first
measuring point to the sound source.
Tap the Distance from left sensor
button.
68
Sound velocity measurement
Step Description
10
Tap the OK button.
Result: The correlation starts. The sound velocity in the pipe is calculated and
displayed below the correlation curve.
The result is considered reliable if the following criteria are met:
The radio signal from both transmitters is good or excellent.
The lag value (top left of the diagram) is green and seems plausible.
The displayed sound velocity seems stable and plausible
If no reliable result is shown, you can use the Cancel button to terminate the
measurement and leave the menu.
11
Tap the Accept and edit pipe button.
Result: The Pipe data menu opens.
There, for the Material and Diameter input fields, the “Manual” option is
automatically selected. The recently calculated sound velocity is accepted and
shown in the corresponding field.
Once the length of the pipe section is changed in this menu, the sound
velocity measurement must be performed again.
Use the Back button
to return to the Start menu.
Use the button
to start a new correlation between the Power transmitters. The
determined sound velocity will be used for the calculation. This applies until the pipe
parameters are changed in the Pipe data menu, or the entire correlation data are reset
in the Settings menu.
69
Sound velocity measurement
10.2
Velocity measurement in Offline measurement mode
10.2.1
Introduction
The Velocity measurement function compares the measuring values of three sensors
which have recorded a shared noise. As a result, the following applications are possible:
Application options
Determining the sound velocity
in the pipe
(for an unknown pipe material)
The actual sound velocity in the pipe is
calculated.
This value can then be adopted for the
pipe section being analysed as a pipe
parameter.
The correlation curve will be updated on
this basis.
Determining the position of a leak
(despite unknown pipe material)
The distance from a certain measuring
point to the leak position is calculated.
Requirements The following conditions must be met in order to use the function:
A measurement (night or instantaneous measurement) with at least 3 sensors has
been performed.
The measured data has been read and saved with the Correlator.
Between the three considered sensors exists a clearly perceptible source of noise.
(The louder the noise, the lower are the negative effects of any potential
interference on the result of the sound velocity calculation).
The lengths of the pipe sections between the measuring points must be known.
The measuring points and sound source must be arranged as shown on the
following picture.
distance
distance
Position 1
Position 2
Position 3
Source of noise
There must be one sensor „in front of“ the sound source (Position 1).
There must be two sensors “behind” the sound source (Positions 2 and 3).
70
Sound velocity measurement
10.2.2
Determining the sound speed
To calculate the sound velocity in the pipe, proceed as follows:
Step Description
In the Start menu of the Correlator, use the two arrow buttons to go to the
required Offline measuring mode (“COR MS-3”).
In the main menu, tap the button
In the displayed menu, tap the Tools button.
In the displayed menu, tap the Velocity measurement button.
Result: The following menu opens.
The square boxes represent the Multi sensors (1 to 8) or Power transmitters
(A + B) used in the measurement.
The scheme below illustrates how the sensors must be positioned in relation to
the source of noise. Take care to follow this scheme when selecting the three
sensors for the measurement. Otherwise the result of the calculation may be
wrong.
Position 1
Position 2
Position 3
Source of noise
Select the sensor which represents Position 1 (sensor “in front of” the sound
source) by tapping the required box.
Result: The number of the selected sensor is shown at position 1. The white
highlighting switches to position 2.
Select the sensor which represents Position 2 (first sensor “behind” the sound
source).
Select the sensor which represents Position 3 (second sensor “behind” the sound
source).
Tap the OK button.
71
Sound velocity measurement
Example 1: The source of noise is located between the sensors 1 and 2.
Entry on the Correlator: first, sensor 1 (in front of the sound source), then sensors 2 and
3 (behind the sound source).
Example 2: The source of noise is located between the sensors 2 and 3.
Possible entry on the Correlator: first, sensor 2, then sensors 3 and 4.
Possible entry on the Correlator: first, sensor 3, then sensors 2 and 1.
72
GPS position data
11
GPS position data
11.1
Introduction
You can use the Correlator to determine and store the GPS coordinates of the individual
measuring points.
GPS data facilitate the management and analysis of the measured data in the Offline
measurement. For some analysis capabilities GPS data are even a prerequisite.
Requirements The GPS receiver LOG GPS-3 has to be connected to the Correlator.
The GPS module is connected using the USB/GPS socket
. Observe the markings
on the plug and socket. You must feel the plug engage. The GPS module is powered via
the USB connection. The device switches on immediately after connection and is ready
for operation. The status LED lights up. The device is detected automatically by the
Correlator. Further settings are not required.
11.2
Determine and save GPS coordinates
To determine the GPS position for a sensor, you must take the Correlator and proceed
as close as possible to the installed device.
Proceed as follows:
Step Description
In the main menu, tap the button
In the displayed menu, tap the Store GPS position button.
Result: The following menu is opened. The up to 8 fields represent the sensors
registered to the Correlator's "Multisensor pool".
Sensor ID
Sensor no.
GPS position
(continued on next page)
73
GPS position data
Step Description
Tap the field of the sensor whose position is to be determined.
Result: The GPS menu is opened. The GPS receiver is searching for available
satellites.
After a while, the current GPS time is displayed.
As soon as the position of the Correlator can be calculated, the current latitude
and longitude are specified.
You can change the format for displaying the GPS position. Tap the GPS format
button repeatedly to select one of the following formats:
x Decimal degrees
x Degrees, minutes
x Degrees, minutes, seconds
The vertical green bar at the right of the screen indicates how high the accuracy is
with which the position can currently be determined.
Wait until the position has leveled out on a reliable value. The bar to the right
should show an accuracy of 100%.
The first time the position is determined after connecting the GPS module
may take a little time. The Correlator should not be moved during this
phase. It is best to put it down somewhere.
Tap the Store button.
Result: The coordinates are accepted. The display returns to the previous menu.
74
GPS position data
11.3
Distance measurement and navigation via GPS
You can use the GPS function of the Correlator to determine the distance between two
points. You can also use the function as a guide to find a stored measuring point.
Access the menu To open the GPS menu, proceed as follows:
Step Description
In the main menu, tap the button
In the displayed menu, tap the Tools button.
In the displayed menu, tap the Distance measurement / Navigation button.
The menu is structured as follows:
Element Description
Current position
Indicates the current position of the Correlator. Once the Correlator is moved,
the displayed value is adapted.
Distance
Indicates the linear distance between the Current position and the Target
position.
Target position
Indicates the GPS position of the point, which was defined as Target position.
Sensor list
List of all sensors, i.e. measuring points, whose GPS coordinates have been
determined and stored. One of these sensor installation points can be
selected and specified as Target position.
top down:
Positioning accuracy for the Correlator position (in percent).
Number of available GPS satellites.
The current GPS date and GPS time.
Speed at which the Correlator is currently moved.
75
GPS position data
Distance You can calculate the distance from your current position to a stored measuring point.
from here to
a measuring point In the drop-down list
, select the sensor which is installed at the relevant measuring
point.
The GPS coordinates of the measuring point are adopted and displayed as the new
Target position. The distance information is updated and displays the distance between
the Correlator and the measuring point.
Distance You can calculate the distance from your current position to any other location.
from here to
any location Proceed as follows:
Step Description
In the drop-down list
Tap the Set button.
, select Current position.
Result: The GPS coordinates of your current location are adopted and displayed
as the new Target position.
Take the Correlator and proceed to the desired other location.
Result: The distance information is permanently updated and displays the
distance from your current location to the Target position.
Navigating You can use the directional sign of the GPS menu to guide you to a measuring point.
to a location Proceed as follows:
Step Description
In the drop-down list
measuring point.
, select the sensor which is installed at the relevant
Result: The GPS coordinates of the measuring point are adopted and displayed
as the new Target position.
Go into the direction the compass needle shows.
The target location is reached when the "Current position" coordinates match the
"Target position" coordinates.
The direction specified by the compass needle is reliable, as long as you
are in motion, but once you stand still at a place, the needle begins to
rotate and the direction shown is no longer reliable.
76
GPS position data

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szá À Á Z ] ÂÃ   #Ä         ]      ÅZ Z Æ  ÂÆÃ  Z À       
] Â  Á]  ÅZ  ÃÆZ#
Questo simbolo indica che il prodotto non deve essere smaltito come un normale rifiuto domestico. In quanto prodotto B2B, può anche non essere smaltito in centri di
smaltimento cittadino. Se si desidera smaltire il prodotto, consegnarlo a un organismo specializzato in smaltimento di apparecchiature elettriche vecchie.
ÇÈÈ ÉÉÉ É È   É   É  È    #ÉÉ  ÉÉ   É 
ÊË  È È    ÉÉ ]ÉË   ÉË  Ë Ë ÈÉ #$ Ì È] _ ÉÉ 
    È Ë  ]ÉÉÉÉÉÈ_    È É_#
Ç          ]  ]   _     Í Í  Í# Î]  *<* &    =    ]    Í
 Í Ï Ð #$_  _Ï] Ï   ÏÌ Í      Ð Ï]   ]#
Dan is-simbolu jindika li l-prodott li huwa mmarkat b’dan il-  Ñ]ÒÓ   Ò      -# ÔÒ   ZÕ  *<*    Ó ntrema wkoll
ÁÑÖÖÖ]Ò-rimi ta’ l-iskart. Jekk tkun tixtieq tarmi dan il-]Ò× ]Ò  Á    Ò]Ò]Á -Ù   Ö Á-rimi ta’
]Ò Ù Ñ -elettriku.
Dette symbolet indikerer at produktet som er merket pĂĽ denne mĂĽten ikke skal kastes som vanlig husholdningsavfall. Siden dette er et bedriftsprodukt, kan det heller ikke
kastes ved en vanlig miljøstasjon. Hvis du ønsker ü kaste dette produktet, er den riktige müten ü gi det til en organisasjon i nÌrheten som spesialiserer seg pü kassering av
gammelt elektrisk utstyr.

   Ú    ]   Ú   ÕÛ   Õ     ]  Õ  Õ]# $      *<*   Ú  ] ÕÜ
 ÕÛ     ÝÕ  ÅÕ# Þ  Õ ÕÝâÕ   Å   ãÛ    Ú  Û ]   Ú   ÅÕ  ã Ü Õ
 Õ  Zãç   Z#
Este símbolo indica que o produto com esta marcação não deve ser deitado fora juntamente com o lixo domÊstico normal. Como se trata de um produto B2B, tambÊm não
pode ser deitado fora em centros cívicos de recolha de lixo. Se quiser desfazer-se deste produto, faça-o correctamente entregando-o a uma organização especializada na
eliminação de equipamento elÊctrico antigo, próxima de si.
Þ    ìÁ ì   î Á  ï]  ï#Deoarece acesta este un produs B2B, el nu trebuie aruncat nici
la    #ðìñ ìñ  ì]ì  -Áñî-un mod adecvat, ducând-   ìÁ ì  ìî 
echipamentelor electrice uzate.

  À    \  À  #Î÷ À   *<*   \
  Z  ÀZ#ÞZ  \ Z _]ÀÀ _ a likvidáciu starých elektrických zariadení.
        ]  #Î amenjen za druge proizvajalce, ga ni dovoljeno
 ]  Z     ] # Ăš                    ]     ]  
  ]   #
Este sĂ­mbolo indica que el producto asĂ­ seĂąalizado no debe desecharse como los residuos domĂŠsticos normales. Dado que es un producto de consumo profesional,
tampoco debe llevarse a centros de recogida selectiva municipales. Si desea desechar este producto, hĂĄgalo debidamente acudiendo a una organizaciĂłn de su zona que
estĂŠ especializada en el tratamiento de residuos de aparatos elĂŠctricos usados.
Den här symbolen indikerar att produkten inte für blandas med normalt hushüllsavfall dü den är fÜrbrukad. Eftersom produkten är en sü kallad B2B-produkt är den inte
avsedd fÜr privata konsumenter, den für süledes inte avfallshanteras pü allmänna miljÜ- eller ütervinningsstationer dü den är fÜrbrukad. Om ni vill avfallshantera den här
produkten pü rätt sätt, ska ni lämna den till myndighet eller fÜretag, specialiserad pü avfallshantering av fÜrbrukad elektrisk utrustning i ert näromrüde.
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