DH Instruments PPCK PLUS, Operation And Maintenance Manual

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PPCK+™ Operation and Maintenance Manual
©2001 DH Instruments, Inc .
Page 40
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OPERATION
Use automated (see Section 3.2.10) or manual (see Section 3.1.2.2) pressure control to
set the pressure at which the leak check is to be conducted. Once the pressure has
been set, abort pressure control and wait three minutes for pressure stabilization.
To access the LEAK function press [SETUP] , <5Leak> .
The display is:
Press <2view> to view the results of the last leak check executed. The results screen
displays <Data NOT available> briefly and returns to main run screen if NO leak check
data is stored (i.e., if the PPCK+ has never run a leak test or a reset has cleared previous
leak test results). Pressing
[ENTER] or [ESCAPE] returns to the main run screen.
In both dynamic and static pressure control mode, abort control and wait at least three
minutes before conducting a leak check.
Leak check is range specific in the sense that leak check is run using the active range.
However, only one set of leak check results is maintained in memory and each leak test
completed overwrites the memory. View leak check always shows the results of the last
leak check run regardless of the range that is now active. The results screen includes the
range indicator to indicate the range in which the leak check was run.
Press <1run> to run a leak check and/or to edit the leak check time. The display is:
1. Edit field for leak check time in seconds (1 min,
999 max).
Edit the leak check time if desired. Press [ENTER] to run leak test. The display is:
1. Standard main run screen first line.
2. Indication that leak test is running and countdown of
time[s] remaining.
Pressing [ ESCAPE] during the countdown offers a leak check abort option to return to
the main run screen or continue leak test. Pressing [ENTER] during the leak check
countdown causes the countdown to restart.
Leak Check H3
1run 2view
Set leak check time:
2
5458.55 psi a zH3
Leak testing 13 s