Instrument Fundamentals: Digital Multimeter (DMM)


The topics below will help you understand how to use and get the best measurements from your DMM.


DMM Measurement Types and Common Terminology
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.


Acquiring an Analog Signal
Learn about acquiring an analog signal, including topics such as bandwidth, amplitude error, rise time, sample rate, the Nyquist Sampling Theorem, aliasing, and resolution.


Analog Sample Quality
Learn about sensitivity, accuracy, precision, and noise in order to understand and improve your measurement sample quality.


Isolation Types and Considerations when Taking a Measurement
Learn about common-mode voltage, isolation topologies, analog isolation, digital isolation, and isolation types.


Additional Resources:

View the entire Instrument Fundamentals white paper series