User's Manual

Map function
96
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.
To start the correlation between two sensors, proceed as follows:
Step Description
1
Tap the first sensor (start point of the pipeline section to be correlated).
2
Tap the second sensor (end point of the pipeline section to be correlated).
3 Tap the Correlation button.
Result: The Correlation menu opens. The correlation 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 supplied 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 menu.
Start correlation