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Background Factor
Reject Leak Rate
Reject Safety Factor
6.5.5.3.
Continue if Part Fails
Continue after Timer End
Capture Data
Capture Interval
LACO Technologies
This number is multiplied by the reject limit to get the maximum leak rate reading
allowed during a background check. The background Helium level must be
achieved before the part is filled with Helium.
The reject leak rate limit for the part being tested.
This number is multiplied by the reject leak rate to get the actual reject limit that is
used. This allows the user to ensure that parts leaking near the reject limit are
rejected. Systems are normally shipped with a safety factor of 1.
Volume Evac
The volume evac screen is split into two parts. The left side consists of parameter
setting for the gross leak test and the right side the setting for the fine leak test.
Note that this screen is only enabled when Vol Evac is selected in the advanced
settings.
Refer to sub-section 6.5.6.2 for the definitions of test time, default cal factor,
reject leak rate, and reject safety factor.
Check the box if wish to continue to run fine leak test even if the gross leak test
fails. The box is default as unchecked.
Check the box if wish to continue to let the test run even after the fine leak test is
completed.
Enable data logging features.
Test data sampling time.
ATLAS Operations and Maintenance Manual
6 OPERATION
39
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