GE Druck ADTS 405 User Manual page 42

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Leak Measure Mode
Note: Compressing a gas generates heat. Gas heated or cooled in an enclosed volume
causes a pressure change. It is important, especially for leak testing, to allow enough
time for the heated gas to cool and the pressure to stabilize. When setting the rate
timer consider three factors:
1 The volume of the system to be tested (large volumes take longer to stabilize).
2 The pressure change (the higher the change the greater heat generated).
3 The ambient air temperature.
K114 Issue No. 9
Operation