Pressure Controller/Calibrator
Tasks
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Tasks
Tasks are pre-programmed routine functions that quickly perform common tests
and tasks. The tasks are: Leak Test, Switch Test, Exercise, Program, CPS
Cleanout and CPS Purge.
Note
CPS tasks are greyed out and disabled if the CPS is not turned on in
the settings. See Contamination Prevention System (CPS). The
subsequent sections provide more information on each task.
Leak Test
This function performs an automated leak test to show the rate of pressure loss.
To determine this, the Product uses the settings in the test to set the pressure to
a Setpoint value. Once stable, the Product turns off pressure control to measure
the pressure loss.
To run a leak test, set a few parameters to tell the Product how to perform the
leak task. Those parameters are:
Setpoint Pressure – The target pressure of the test.
Stability – This tells how long the pressure is dynamically stabilized at the
Setpoint before the test starts. The test does not start until the Product shows the
ready indication for the amount of time prescribed.
Duration – After reaching the stability time, the test starts and the Product
changes to Measure mode. The system then measures the rate of pressure loss.
When the test ends, the average rate of pressure loss per minute is shown.
Mode – Select Internal or External from this menu. When internal is selected,
the test port is isolated and the UUT and hoses are not tested. If external is
selected, all connections, hoses, and UUTs connected are pressurized.
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