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4. Carefully vent all pressure and disconnect the 717 from the deadweight tester.
mA Measure Verification
1. Push
to turn power on. The display should read:
----------
then change to:
0.000 mA
2. Connect a test lead from Red AUX terminal of the 5520A to the Fluke 8508A I+
terminal.
3. Connect a test lead from Black AUX terminal of the 5520A to the 717 Calibrator Com
terminal.
4. Connect a test lead from I- terminal of the Fluke 8508A to the 717 Calibrator mA
terminal.
5. Adjust the 5520A if necessary, so that the current shown on the Fluke 8508A is the
same as the 5520A values shown in Table 63.
6. Verify that the display readings on the 717 Calibrator are within the limits.
Fluke 5520A
4.0000 mA
12.0000 mA
24.0000 mA
7. Disconnect the test leads and push to turn the power off.
mA Loop Power Verification
1.
Hold down both LOOP POWER keys ( and
reads:
---------- LOOP mA
then release the keys.
2. Apply 1.2 kΩ to the mA jacks from the decade box or other resistor sources. The
display should read >19 mA but <OL.
3. Push
to turn the power off.
Sensor Jack Verification
1. Make sure nothing is connected to the sensor port of the Fluke 717.
2. Turn power on. The display should read:
----------
then change to:
0.000
3. Plug the Fluke Pressure Module into the sensor port on the Fluke 717. The display
should change to:
----------
A pressure value should appear on the screen after all the calibration constants have
been down loaded.
4. Disconnect the Fluke Pressure Module and push
mA
0.00 PSI
Table 63. 717 mA Measure Verification
Fluke 717 (V2.9 and lower)
3.998 mA to 4.002 mA
11.996 mA to 12.004 mA
23.993 mA to 24.007 mA
mA
PSI
mA
Fluke 717 (V3.0 and higher)
3.997 mA to 4.003 mA
11.996 mA to 12.004 mA
23.994 mA to 24.006 mA
) at the same until the screen
to turn the Fluke 717 off.
Process Calibrators
Verification
47
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