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Gross Leak Delay Timer
Leak Detector Mode
LD Select
Background Stability
Bkg Stability Window
Bkg Stability Factor
Background Zero
Background Delay Time
Use Ethernet for Comms
LD IP
6.5.2.4.
LACO Technologies
This is the amount of time the controller will wait once in the leak test step before
monitoring the Gross Leak Setpoint. This should typically be between 1-6 seconds.
Select the mode used for leak detection. Three options are available.
•
Fine
•
Gross
•
Ultra
Select the leak detector mode used in the system.
Check the box to enable background stability test. The test is run to ensure the
trace gas in the background does not exceed the setpoint.
The length of time the background must be considered stable before moving on to
Helium Fill.
The percent of fluctuation in leak rate allowed for the background to be
considered stable.
Zero the leak detector at the end of background check before the leak test. This
box is only available if Background Stability is selected.
The length of time waited before setting the background to zero.
Use Ethernet instead of serial cable to communicate with leak detector.
Enter the IP address of the leak detector.
Clamp/Automation Settings
ATLAS Operations and Maintenance Manual
6 OPERATION
27
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