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Unread 03-02-2015, 11:22
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Re: ground isolation on VRM and PCM

Quote:
Originally Posted by Tungrus View Post
No voltmeter (DVM or Analog) will short if its used to measure voltage between two points
phestnes already clarified what he meant:

Quote:
Originally Posted by phestnes View Post
I'm just referring to a simple multimeter design that would effectively place a resistor in parallel with your measurement points. A floating ground would then "ground itself" to the other connected terminal. It isn't a real short.
...and what he said above can happen with a low ohms-per-volt inexpensive analog voltmeter.