Portable Pressure Calibrator
Pressure Measurement
21
Pressure Switch Test
To do a pressure switch test:
1. Set the upper display to [P1] ST, all other displays are switched off.
Note
The pressure switch test can be done with these functions: [P1] ST or EXT
ST.
2. Connect the Product to the pressure switch with the switch terminals. The polarity of
the terminals is not important. See Figure 20.
V mA
SWITCH TEST
COM
EXTERNAL
PRESSURE MODULE
24 V DC
30 V MAX
LOOP
PORTABLE PRESSURE CALIBRATOR
3130
FLUKE CORPORATION
EVERETT, WA USA
www.flukecal.com
CHARGE
16 V DC
5.6 A
SERIAL NO.
VENT LINE BEFORE MAKING SELECTION
CAUTION
OUTPUT
ISOLATION
VALV E
-12 PSI TO 300 PSI
(-8 kPa TO 2 MPa)
AIR SUPPLY
330 PSI MAX
(2.3 MPa)
PRESSURE
CLOSED
VACUUM
PUMP
FINE
ADJUSTMENT
VENT
SUPPLY
METERING VALVE
FINE
ADJUSTMENT
VENT
FILTER
PRESSURE
SENSOR
CLOSE VALVE BEFORE
OPERATING PUMP
F1 F2 F3
HOME
ZERO PUMP
Fully Closed
Use low volume
hose if possible
Pressure
Switch
hbb020.eps
Figure 20. Switch Test Connections
3. Connect the Output of the Product to the pressure switch.
4. Open the vent button on the pump and zero the Product.
5. Close the vent after you reset the Product.
The top of the display shows "CLOSE". See Figure 22.
hbb021.eps
Figure 21. Switch Test Screen
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