Insulation Resistance Accuracy Tests - Fluke 150X Series Calibration Manual

Insulation Resistance Accuracy Tests

To test the insulation resistance accuracy, complete the test steps in
procedure:
1. Connect the DUT
output terminals.
2. Set the Fluke 5320A to the high resistance source function (H).
3. Turn the DUT rotary function switch to an
4. Select the DUT insulation voltage range per
5. Apply the Fluke 5320A output called out in
6. Press T on the DUT.
7. Make sure that the DUT reads within the display reading limits listed in
Insulation Voltage
Step
Range
1 1000 V
2 1000 V
3 1000 V
4 1000 V
5 1000 V
6 500 V
7 250 V
8 100 V
9 50 V
and
INSULATION COM
Table 5. Insulation Resistance Accuracy Test
Applied
9 GΩ
1.9 GΩ
1 MΩ
49 MΩ
60 MΩ
500 kΩ
250 kΩ
100 kΩ
50 kΩ
terminals to the Fluke 5320A High Resistance
function.
INSULATION
Table 5.
Table 5.
Display Units
MΩ
Insulation Testers
Performance Tests
Table 5 with this
Table 5.
Display Reading Limits
1503 1507/1508
N/A 7.8 to 10.2
1862 to 1938 N/A
0.5 to 1.5 0.5 to 1.5
47.5 to 50.5 47.8 to 50.2
58.3 to 61.7 58.6 to 61.4
0.44 to 0.56 0.44 to 0.56
N/A 0.20 to 0.30
N/A 0.05 to 0.15
N/A 0.0 to 0.10
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