Cal Iso Ma - Fluke 725Ex Calibration Manual

725Ex
Calibration Manual

Cal ISO mA

Connect the UUT as shown in Figure 23.
From the Calibration Menu, enter the cal step for Cal ISO mA. The PC displays:
Set the Fluke 5520A to output 0.0000 mA. After a short while, the PC displays the
following calibration constants and prompt:
Set the Fluke 5520A to output 24.0000 mA then press the space bar on the PC. After a
short while, the PC displays the following calibration constants:
Press the space bar to return to the Calibration Menu.
Adjustment is completed. Turn the UUT off, then back on, to return to normal operation.
42
Figure 23. ISO mA Calibration Connections
Enter 0 ma - press space bar to continue
Offset = -323
Enter 24.00 ma - press space bar to continue
diff = (Counts - Offset)
32133 = 31810 - -323
mA per count = 0.000747
- press space bar to continue
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