Page 7 - Pressure Calibration Brochure
P. 7
3130 PORTABLE PRESSURE CALIBRATOR
FILTER
AIR SUPPLY
330 PSI MAX (2.3 MPa)
OUTPUT
-12 PSI TO 300 PSI (-8 kPa TO 2 MPa)
EXTERNAL PRESSURE MODULE
CLOSED
CLOSE VALVE BEFORE OPERATING PUMP
PRESSURE SENSOR
F1
F2
F3
SUPPLY
ISOLATION VALVE
METERING VALVE
PRESSURE
VACUUM
VENT
+–
TECH
HOME
VENT
FINE
PUMP
ZERO
PUMP
FINE ADJUSTMENT
ADJUSTMENT
CAUTION
VENT LINE BEFORE MAKING SELECTION
TIPS
V mA SWITCH TEST
LOOP
COM 24 V DC
CHARGE
FLUKE CORPORATION
30 V MAX
16V DC 5.6 A
• Inaccurate calibration SERIAL NO.
EVERETT, WA USA www.flukecal.com
equipment will only
degrade the performance
of the transmitter.
• Manufacturers recommend
using precise calibration
equipment under stable,
ambient conditions for
To perform the test:
best results.
• Commission transmitters
at the bench so security STEP Connect the transmitter test hose from the calibrator to the transmitter
1
settings and protection
for failure modes can be
set before exposing STEP Connect the mA measurement jacks of the calibrator to the transmitter
transmitter electronics to 2
factory conditions.
STEP Set the pressure/vacuum selection knob to the necessary function
3
STEP Close the vent knob and supply metering valve
4
STEP Apply pressure or vacuum from the pump by holding down the
pump button and release when the necessary pressure is reached 5
STEP
Correct the pressure with the ine pressure adjustment
6
STEP Read the reference pressure and the current output of the transmitter
from the display
7
STEP Repeat for all test points. If the measured mA signal at the test points
8
is found within tolerance the test is complete. If not, then adjustment
is required.
Additional resources
How to use a deadweight tester
For more in depth information about Fluke 719 electric pressure calibrator demonstration
this application check out these videos
and application notes from Fluke.
Transmitter Calibration with the Fluke 750 Series DPC
HART transmitter calibration
7