Quote:
Originally Posted by Chuck Sea/Tac
I don’t know what the correct term to describe the ability to not have the readout go crazy, and possibly even destroy the instrument, from the electric interference while the engine is running. Usually cheaper units are the ones that can’t handle the interference.
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An analog meter can handle the noisy power of a running A. A good quality digital can too. However, most readings can be taken with the motor off, then even a cheapy will be fine.