3130
Users Manual
24
Calibrate a Pressure-to-Current Transmitter
To calibrate a pressure-to-current transmitter (P/I):
1. Connect the Product pump to the transmitter.
2. Apply pressure from the pump.
3. Measure the current output of the transmitter.
4. Make sure that the read value is correct. If it is not correct, the transmitter must be
adjusted. See Figure 26.
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
Close silver vent knob
Use low volume
hose if possible
hbb026.eps
Figure 26. Calibrate a Pressure-to-Current Transmitter
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