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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
-1.000 PSI
1.000 PSI
Adjusted Pressure
-10.00 PSI
3.00 PSI
100.00 PSI
mA Measure Verification
The display should indicate:
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
4. Adjust the 5520A if necessary so that the current shown on the Fluke 8508A is the
5. Verify that the display readings on the Calibrator are within the limits.
Fluke 5520A
4.0000 mA
12.0000 mA
24.0000 mA
6. Disconnect the test leads and turn off the 718 Calibrator.
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calibrator to (approximately) the values in Table 65. Let the unit sit for one minute,
then record the displayed value.
first and the second reading is the leak rate.
Table 65. 718 Leak Test Verification
718 1G
Maximum Leak Rate
0.005 PSI/min
718 100G
Maximum Leak Rate
0.10 PSI/min
0.000mA
0.00 PSI
terminal.
terminal.
terminal.
same as the 5520A values shown in Table 66.
Table 66. 718 and 718Ex mA Measure Verification
Fluke 718 (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
Fluke-Direct
718 30G
Adjusted Pressure
-10.000 PSI
3.000 PSI
30.000 PSI
718 300G
Adjusted Pressure
-10.00 PSI
3.00 PSI
100.00 PSI
Fluke 718 (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
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Process Calibrators
Verification
Maximum Leak Rate
0.05 PSI/min
Maximum Leak Rate
0.3 PSI/min
Fluke 718Ex
3.997 mA to 4.003 mA
11.996 mA to 12.004 mA
23.993 mA to 24.007 mA
1.888.610.7664
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