6.5 Digit Digital Multimeter

Digital Multimeter

A proficiency test for 6.5 digit digital multimeters (DMMs) based on an HP 34401A as the travelling standard is proposed. This is a commonly used DMM in NZ and most of the top-end calibration labs can carry out such a calibration.

It is expected that the calibration should cover all ranges of the following functions:

  • dc voltage and current,
  • ac voltage and current,
  • resistance.

This profiency test will be modeled on a similar exercise used in Europe. Version 2 of the EURAMET Guide is a useful reference document:

https://www.euramet.org/Media/docs/Publications/calguides/EURAMET_cg-15__v_2.0_Guidelines_Calibration_Digital_Multimeters.pdf(external link)

Protocol [PDF, 333 KB]

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