Calibrating Low Ohms Source - Fluke 724 Calibration Manual

Calibrating Low Ohms Source

Connect the UUT as shown in Figure 30.
Figure 30. Low Ohms Source Calibration Connections
After making the proper connections, type "7" then press the Enter key on the PC
keyboard. Input directions are displayed at the bottom of the calibration menu:
Enter Selection:
First Calibration Point. Enter Ohms displayed:
Second Calibration Point. Enter Ohms displayed:
The 8508A should be locked in the 2 kΩ range (1.0 mA excitation). Enter each of the two
calibration points as prompted.
For best accuracy at:
15 Ohms: Use 8508A 200
360 Ohms: Use 8508A 2 k
Note
Ω
range, 4-wire, LOI On
Ω
range, 4-wire, LOI Off
Calibrators
Calibration Adjustment
aal13f.eps
61