6 OPERATION
LACO Technologies TITAN VERSA Operations and Maintenance Manual 51
11. Verify the leak rate is stable. Calibration verifies background reading.
12. If the unit fails a calibration the user will be notified. See Calibration History for
more information on reviewing calibration results.
Vacuum Method Leak Testing
6.4.2.1. Outside-In Leak Testing
In this method, the test object is evacuated (direct connection to vacuum inlet test port
KF-25) and the user sprays helium to verify test leak integrity. This method allows for
leak location.
If test objects are small enough, a plastic bag can be placed over the test object and
helium sprayed into bag. This method ensures helium application is global around the
entire part
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