Test The Ohm Function - Fluke 150X Series Calibration Manual

Test the Ohm Function

Earth Bond Resistance Accuracy Tests
To test earth bond resistance accuracy, complete the test steps in
procedure:
1. Connect the DUT
in a 2-wire configuration.
2. Set the Fluke 5320A to the low resistance source function (L).
3. Turn the DUT rotary function switch to the Ω function.
4. Apply the calibrator output listed in
output to Short and press the ZERO button on the DUT. Change the 5320A Ohms to 2-Wire
mode.
5. Press T and make sure that the DUT reads within the display reading limits shown in
Table 9.
6. Connect the Fluke 5320A high resistance output terminals to the DUT COM and Ω
terminals.
7. Set the Fluke 5320A to the high resistance source function (H).
8. Press T and make sure that the reading is within the display reading limits for
Step 4.
Step Tester Range
1 20.00 Ω
2 2000 Ω
3 2000 Ω
4 20.00 kΩ
and terminals to the Fluke 5320A low resistance output terminals
COM Ω
Table
Table 9. Earth Bond Resistance Tests
Applied
2.0 Ω
810.0 Ω
990.0 Ω
18.0 kΩ
9, Steps 1-3. Prior to step 1, set the 5320A Ohms
Display Units
1.94
Ω
795
Ω
972
Ω
kΩ 17.70
Insulation Testers
Performance Tests
Table 9, with this
Table
Display Reading
Low Limit High Limit
2.06
825
1008
18.30
9,
19