Calibrate A Pressure-To-Current Transmitter - Fluke 3130 User Manual

3130
Users Manual

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
3130
EXTERNAL
PRESSURE MODULE
F1
HOME
ZERO
LOOP
V mA
SWITCH TEST COM
30 V MAX
24
adjusted. See Figure 26.
Fully Closed Close silver vent knob
PORTABLE PRESSURE CALIBRATOR
AIR SUPPLY
FILTER
330 PSI MAX
(2.3 MPa)
CLOSE VALVE BEFORE PRESSURE
OPERATING PUMP
SENSOR
F2 F3 SUPPLY
METERING VALVE
PRESSURE
VENT
VENT
FINE
CAUTION
ADJUSTMENT
PUMP
FINE
VENT LINE BEFORE MAKING SELECTION
ADJUSTMENT
24 V DC
CHARGE
16 V DC
5.6 A
Figure 26. Calibrate a Pressure-to-Current Transmitter
OUTPUT
-12 PSI TO 300 PSI
(-8 kPa TO 2 MPa)
CLOSED
ISOLATION
VALVE
VACUUM
PUMP
FLUKE CORPORATION
SERIAL NO. EVERETT, WA USA
www.flukecal.com
Use low volume
hose if possible
+
–
hbb026.eps