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Original Message

Most meters go full scale at 0.2 Volts

Posted by Chip647 on June 18, 2017 at 19:48:47:
Using one as an amp meter would mean that there would be or should be a shunt resistor across the meter of an ohm or so. Using a a meter as a volt meter that goes full scale at 0.2 volts means that you have to determine the correct resistor network to measure across.

Measure the resistance of the meter. It is likely that your volt meter will drive the meter to full scale or it has an internal shunt