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71X Series
Calibration Manual
Leak Test Verification
1. Seal off the pressure sensor input port.
2. Using the fine adjust knob, pressure-vacuum switch and internal pump, set the
3. Wait for one more minute, then record a second reading. The difference between the
Adjusted Pressure
-10.00 PSI
3.00 PSI
30.00 PSI
mA Measure Verification
The lower display should indicate:
0.000mA
1. Connect a test lead from Red AUX terminal of the 5520A to the Fluke 8508A I+
2. Connect a test lead from Black AUX terminal of the 5520A to the Calibrator COM
3. Connect a test lead from I- terminal of the Fluke 8508A to the Calibrator mA terminal.
4. Adjust the 5520A so that the current shown on the Fluke 8508A is the same as the
5. Verify that the display readings on the Calibrator are within the limits.
4.0000 mA
12.0000 mA
24.0000 mA
6. Disconnect the test leads and turn off the 719 Calibrator.
54
Calibrator to the values in Table 68. Let the unit sit for one minute, then record the
displayed value.
first and the second reading is the leak rate.
Table 68. 719 Leak Test Verification
719 30G
Maximum Leak Rate
0.05 PSI/min
terminal.
terminal.
5520A values shown in Table 69.
Table 69. 719 mA Measure Verification
Fluke 5520A
719 100G
Adjusted Pressure
-10.00 PSI
3.00 PSI
100.00 PSI
Fluke 719
3.997 mA to 4.003 mA
11.996 mA to 12.004 mA
23.993 mA to 24.007 mA
Maximum Leak Rate
0.1 PSI/min
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