Digital Multimeter Measurement Fundamentals

Publish Date: Dec 30, 2016 | 73 Ratings | 3.34 out of 5 | Print

Overview

DMMs, or digital multimeters, are instruments that can measure voltage, current, and resistance for DC and AC signals. Learn how to correctly use and understand a digital multimeter (DMM). Article topics include display digits, AC and DC voltage measurements, AC and DC current measurements, resistance measurements, and continuity and diode testing.

This white paper is part of our Instrument Fundamentals Series.


Topics Covered

  • Display digits
  • Voltage measurements: input resistance, crest factor, null offset, auto zero
  • Current measurements
  • Resistance measurements and continuity testing
  • Additional measurements: continuity testing, diode testing
  • Noise Rejection Parameters normal-mode rejection ratio (NMRR), common-mode rejection ratio (CMRR)
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