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Crest Factor

Discussion in 'Wiki' started by STEVETERRY, Nov 28, 2008.


    STEVETERRY Well-Known Member

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    New York
    Crest factor is the peak amplitude of an AC waveform divided by the RMS value of the waveform. A pure sinewave has a crest factor of 1.414. A higher crest factor indicates a less sinusoidal waveform.

    When selecting a true-RMS-responding DMM, crest factor is a good spec to look at, as it quantifies just how nasty a non-sinusoidal waveform can be accurately measured by the instrument.

    For more detail, see:

    Crest factor - Wikipedia, the free encyclopedia

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