Fluke 3130 User Manual page 30

3130
Users Manual
6. Apply pressure with the pump slowly until the switch opens.
In the switch test mode, the display-update rate is increased to help capture
changes to pressure inputs. Even with this enhanced sample rate, the UUT
should be charged slowly with pressure to ensure accurate readings.
7. After the switch is open, "OPEN" will be shown. Bleed the pump slowly until the
8. The top display now shows "SW OPENED AT" and gives you the pressure at which
22
pressure switch closes. See Figure 22.
Figure 22. Switch Test Screen (Open)
the switch opened. See Figure 23.
Figure 23. Opened Switch Reading
Note
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