DH Instruments PPC2+, Manual

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PPC2+™ Operation and Maintenance Manual
Page 43
©2001 DH Instruments, Inc.
Figure 10. Leak Check/Purge Menu Flow Chart
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&3X^O\XKV( &":_\QO( ]OO =OM^SYX" PY\ ^RO :?<1/ P_XM^SYX ^Y ObOM_^O
3P^RO:?<1/P_XM^SYXRK]XY^LOOXOXKLVON^ROE@/8>GNS\OM^Z\O]]_\OMYX^\YVUOc
aSVVLORK`OXY\WKVVcP\YW^ROVOKUMROMU]M\OOX
3.2.8.2 LEAK CHECK SCREEN
The leak check screen appears when the [PURGE/LEAK CHECK] function key has
been pressed from the main run screen.
1. Current measured pressure and pressure units.
2. Active reference pressure transducer and range.
3. Current rate of change of pressure (leak rate) in
current pressure units/minute (updated every
10 seconds).
4. Current rate of change of pressure (leak rate) in
current pressure units/second.
This screen is for observing the current leak rate. Pressing [ESCAPE] returns to the
main run screen.
MAIN RUN
SCREEN
LEAK CHECK
SCREEN
/=-+:/ @/8> /8>/<
:?<1/6/+5
MAIN RUN
SCREEN
PURGE
FUNCTION
IF PURGE
ACTIVE
SET PRESSURE
FUNCTION
2
3
0.001/s 0.06/m