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GE Druck ADTS 505 User Manual Page 73

Data test set.
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Druck ADTS 505 User Manual
Pressure leak check
This procedure verifies that the unit is leak tight under positive pressure conditions.
(1)
Press LEAK MEASURE/CONTROL to enter control mode.
(2)
Enter an ALT/Ps Aim of 1016 mbar.
(3)
Enter a SPEED/Qc Aim of 272 mbar. Wait for the aim values to be achieved then wait
for 1 min.
(4)
Press LEAK MEASURE/CONTROL to return to Leak Measure mode.
(5)
Select [Rate Timer] and select [Set Wait 05:00], [Set Time 01:00] and then select [Start
Timing].
(6)
At the end of the timing period, the display shows the rate of change of Ps, Qc and Pt.
(7)
Check that the Ps, Qc and Pt rates are less than or equal to ±0.5 mbar/min. If the leak
rate is not achieved, allow further thermal stabilization time and re-test by selecting
[Rate Timer] and selecting [Set Wait 05:00], [Set Time 01:00].
(8)
Press CLEAR/QUIT to exit rate timer display.
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K0260 Issue No. 8

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