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Old 25th May 2020, 6:21 am   #52
Craig Sawyers
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Join Date: Nov 2010
Location: Oxford, UK.
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Default Re: How much DC on your mains ?

Quote:
Originally Posted by trobbins View Post
Trying to measure the DC component on mains appears to me to be an indirect method of trying to measure the more important characteristic of AC primary current waveform and its asymmetry and peaky-ness that is the driving aspect of the toroidal noise. Measuring current waveform is safer, easier and has no filtering type influences applied to it.
That is fine if you have a current probe, which most people do not.

Craig
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