Testing The Insulation Function; Insulation Resistance Accuracy Tests - Fluke 150 Series Calibration Manual

150X Series
Calibration Manual

Testing the Insulation Function

Insulation Resistance Accuracy Tests

18
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2. Set the UUT rotary switch to 1000 V, and press T.
3. Release the T key and remove the short from the UUT input terminals.
To avoid damage to the DMM, DO NOT press the UUT T
key during the following steps.
4. Connect the test DMM to the UUT
5. Set the test DMM to Ω function.
6. Verify that the test DMM reading is between 2000 and 3000 Ω.
To avoid possible electric shock or personal injury, avoid
contact with the UUT when testing the insulation function.
Pressing the T key produces a potentially dangerous
voltage, at the UUT insulation output terminals, when the Meter
is in the Insulation function.
To avoid damage to the calibrator, do not attempt to use the
5500A, 5520A or other standard calibrator for the insulation
tests.
To avoid damage to the Fluke 9100 make sure to select the
insulation test function prior to pushing the UUT T key.
To test the insulation resistance accuracy complete the test steps in Table 4, using the
following procedure.
1. Connect the UUT
terminals.
2. Set the calibrator to the insulation resistance test function.
3. Turn the UUT rotary function switch to an
4. Select the UUT insulation voltage range per Table 4.
5. Apply the calibrator output from Table 4.
6. Press the UUT T key.
7. Verify that the UUT reading is within the display reading limits shown in
Table 4.
WCaution
INSULATION
XWWarning
WCaution
WCaution
and terminals to the calibrator output
INSULATION COM
INSULATION
and terminals
COM
function.