DH Instruments PPCK PLUS, Operation And Maintenance Manual

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PPCK+™ Operation and Maintenance Manual
©2001 DH Instruments, Inc .
Page 26
Ready/Not Ready In Static Control Mode
When static pressure control mode is active a Ready condition occurs whenever:
•
The current measured pressure is inside the hold limit.
•
The rate of change of pressure is less than the current stability limit.
Figure 8. Ready / Not Ready in Static Control Mode
Ready/Not Ready In Dynamic Control Mode
When dynamic pressure control mode is active, a Ready condition
occurs whenever:
•
The current measured pressure is inside the hold limit.
Figure 9. Ready / Not Ready in Dynamic Control Mode
Not Ready:
Pressure out of
hold limit
Time
Target Pressure
Ready:
Pressure inside of hold limit
P
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