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2271A
Operators Manual
46
Pressure Filter
The pressure filter allows user adjustment from 1 to 99 values in a rolling
average. Typically the value has been set to 15 as default.
General Tasks
Tasks are pre-programmed routine functions that quickly perform common tests
and tasks. The tasks are shown in Table 14. Tasks are classified as General and
Calibration.
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.
Table 14. General and Calibration Tasks
Indicator/Name Function
General Tasks
Leak Test
Opens a menu to configure and do a leak test on the system. See the Leak
Test section.
Exercise Opens a menu to configure and exercise a UUT. See the Exercise section.
Zero PMM
Manually sets the PMM's zero pressure value same with local atmosphere
pressure value.
CPS Cleanout
(Disabled when
CPS is OFF in the
Setup Menu)
Predefined sequence that cleans out the CPS with pressure. Useful after
testing a very dirty UUT where cross contamination could be a factor.
CPS Purge
(Disabled when
CPS is OFF in the
Setup Menu)
Opens a menu to configure and purge the plumbing in the Product. See the
CPS Purge section.
Calibration Tasks
Transmitter
Opens an Automated test interface to make, edit, modify, save, and run a
user-configured automated test. See the Transmitter section.
Pressure Device
Opens an Automated test interface to make, edit, modify, save, and run a
user-configured automated test. The result of the test is based on the
pressure output instead of mA. See the Pressure Device section.
Program Switch
Starts a preprogrammed task to test a pressure switch dead band. See the
Program Switch section.
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