71X Series
Calibration Manual
36
Keypad Test
1. Using the large scroll key, push to step down to 12.000 mA.
2. Using the small scroll key, push to verify that the numbers scrolling on the
display change in .001 increments; then change in .01 increments; then change in 0.1
increments.
3. Using the small scroll key, push to verify that the numbers scrolling on the
display change in .001 decrements; then change in .01 decrements; then change in 0.1
decrements.
4. Scroll to 12.000 mA.
5. Push the key on the 715 Calibrator. Display should change to:
OUTPUT 50.00 mA %
DC Current Measure Verification
1. Push key on the 715 Calibrator. Display should indicate closely to:
INPUT -25.00 mA %
2. Push the key and the display should change to:
INPUT 0.000 mA
3. Connect a test lead from Red AUX terminal of the 5520A to the Fluke 8508A I+
terminal.
4. Connect a test lead from Black AUX terminal of the 5520A to the 715 Calibrator
Com terminal.
5. Connect a test lead from I- terminal of the Fluke 8508A to the 715 Calibrator mA
terminal.
6. Adjust the 5520A if necessary so that the current shown on the Fluke 8508A is the
same as the 5520A values shown in Table 53.
7. Verify that the display readings on the 715 Calibrator are within the limits.
Table 53. 715 DC Current Measure Verification
Fluke 5520A Fluke 715
24.0000 mA 23.993 mA to 24.007 mA
12.0000 mA 11.996 mA to 12.004 mA
4.0000 mA 3.998 mA to 4.002 mA
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