MegOhmMeter
Performance Test
9
LO Ohms Measurement Accuracy Verification
Caution
During the following tests, the 9100 source output must be
applied to the UUT prior to pushing the UUT TEST button.
Failure to do this WILL damage the 9100.
Do not attempt to use the 5500A or other standard calibrator for
the following test. Calibrator Damage will result.
Use the calibrator continuity resistance function to verify accuracy of the LO Ω function
as follows:
1. Turn the Meter Rotary Switch to LO Ω.
2. Connect the calibrator to the Meter VΩ and COM input terminals using 4 wire test
leads.
3. Apply zero ohms from the calibrator.
4. Zero the LO ohms function (press and release the TEST button and then press and
hold the ZERO button until the Meter beeps).
5. Apply the Calibrator Output values listed in Table 5 and compare the Meter reading
with the display reading limits given.
Table 5. Lo Ohms Test
Display Reading Limits
Step Function Calibrator Output
Lower Limit Upper Limit
1 LO Ohms 2 Ohms 1.94 2.06
2 LO Ohms 20 Ohms 19.58 20.42
Meg Ohm Measurement Accuracy Verification
Use the calibrator Insulation Resistance function to verify MΩ measurement accuracy as
follows:
Caution
During the following tests the 9100 source output must be
applied to the UUT prior to pushing the UUT TEST button.
Failure to do this WILL damage the 9100.
Do not attempt to use the 5500A or other standard calibrator for
the following test. Calibrator Damage will result.
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