Fluke 725Ex - Cal MV Input

725Ex
Calibration Manual
34
Cal mV Input
Connect the UUT as shown in Figure 17.
aal04f.eps
Figure 17. mV Input Calibration Connections
From the Calibration Menu, type the number or letter for Cal mV Input. The PC displays:
Enter 0 mV - press space bar to continue
Set the Fluke 5520A to output 0.000 mV, let the output settle then press the space bar on
the PC. After a short while, the PC displays the following calibration constant and new
prompt:
Offset = -714
Enter 90.00 mV - press space bar to continue
Set the Fluke 5520A to output 90.000 mV, let the output settle, then press the space bar
on the PC. After a short while, the PC displays the following calibration constants and
new prompt:
diff = (Counts - Offset)
7513104 = 7512390 - -714
mV per count = 0.000012
-press space bar to continue
Press the space bar to return to the Calibration Menu.