Reply to "Transformers, sine waves, need clarification"

When measuring a pure sine wave transformer, any AC voltmeter will do. You don't necessarily need a true RMS voltmeter. Non RMS voltmeters take a shortcut of measuring the DC voltage and then multiplying it by .707 to derive the RMS value for a pure sine wave. True RMS meters are needed only when measuring complex waveforms that are not a pure sine wave.

Last edited by bmoran4
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