Measure Resistance of a Load in a Resistor Network with a PXIe-4081

Updated Jul 17, 2018

Reported In

Hardware

  • PXIe-4081
  • PXI-4022
  • PXIe-4080

Issue Details

I want to measure the resistance of a resistor that's in parallel with other resistors using a PXIe-4081 DMM.  How can I minimize current leakage when making the measurement?

Solution

You should use the PXI-4022 in conjunction with the PXIe-4081 to guard against parallel resistances or contamination.  The Improve Resistance Measurement Accuracy with 6-Wire Technique White Paper as well as the PXI-4022 Specifications provide details on how to connect the PXI-4022 and NI DMM to the DUT in order to configure the 6-wire measurement.

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