Test 2: DC Current Verification Test
22 Keysight M9182A/M9183A Calibration and Verification Procedure
For DCI ranges 20 μA, 2 μA, and 200 nA, you need to generate a DC current by
applying a voltage through a 10 MΩ resistor.
1 Measure the 10 MΩ resistor with the 3458A or equivalent. Write down this
value.
2 Perform a null measurement on the 200 nA range with the DMM input
terminals open.
3 Set the calibrator to the DCV function.
4 Connect the 10 MΩ to the high output of the calibrator voltage terminal.
5 Connect the other side of the 10 MΩ resistor to the HI current input of the
M9182A/83A DMM.
6 Connect the voltage low of the calibrator to the LO current input terminal. The
connections in this step and the previous two steps are shown in the figure
below.
7 Program the calibrator to DCV: value = Irange × Value of 10 MΩ resistor.
8 Make a DC current measurement on the M9182A/83A DMM and return the
result. Compare measurement results to the appropriate test limits shown in
the table. Be certain to allow for appropriate source settling when using the
Fluke 5720A.
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