71X Series
Calibration Manual
60
Resistance Measure
1. Connect two additional test leads from the NORMAL jacks of the 5520A to the 712
Calibrator (black wire to the 712 red jack labeled [3W NC] and red wire to the red
jack labeled [4W NC]. All four input jacks of the 712 should now be in a 4-wire
ohms measurement configuration.
2. Set the Fluke 5520A to 400.00 Ω and push O.
3. Push any key on the 712 Calibrator. The display should read:
INPUT ----- R 4W
then change to:
INPUT -----
mA Measure
1. Disconnect all four test leads from the Fluke 5520A and the 712 Calibrator.
2. Connect the two test leads from the AUX jacks on the Fluke 5520A to the middle
jacks on the 712 Calibrator (black to black; red to red).
3. Push any key on the 712 Calibrator. The display will change to:
INPUT 0.00 mA
4. Set the Fluke 5520A to 0.00000 mA and push O.
5. Push any key on the 712 Calibrator. The display should read:
INPUT ----- mA
then change to:
INPUT 0.00 mA
6. Again, push any key on the 712 Calibrator, still with a 0.00000 mA input from the
Fluke 5520A. The display should read:
INPUT ----- mA
then change to:
INPUT 2.000 mA
7. Set the Fluke 5520A to 2.00000 mA.
8. Push any key on the 712 Calibrator. The display should read:
INPUT ----- mA
then change to:
INPUT 0.500 mA
9. Set the Fluke 5520A to 0.50000 mA.
10. Push any key on the 712 Calibrator. The display should read:
INPUT ----- mA
11. Push any key on the 712 Calibrator and the unit will automatically reset itself, with
all segments momentarily being displayed. Calibrator is now out of CAL mode. Push
the
key to turn the calibrator off and disconnect all test leads.
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