"Bob Engelhardt" wrote in message ...

Jim - you have posted about your Bayite DC all-in-1 meter:
https://www.amazon.com/bayite-6-5-10...dp/B013PKYILS/

Do you know if it measures true RMS, or does it measure average? My
interest is mainly for full wave rectified AC, it is usually not a clean
1/2-wave sinusoid.

Thanks, Bob

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I don't trust those things to read pure DC accurately or hold their
calibration, and check them against a lab-grade 1.000 milliOhm shunt when it
matters. I think as a rule the maker clearly tells you if a product can read
RMS, otherwise assume it reads Average.

You might look into the UT-61E if you need accurate RMS readings for hobby
use.
https://www.amazon.com/UNI-T-Digital...06XSYZZBV?th=1