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I have a Sunpro Mult-Meter, Measures 2000K, 200K, 20K, 2K, 200, and ->+. I have no clue what "->+" means.

Great Idea on the radio shack purchase. Looks like I'm about to be schooled.

Looks like at the 20K setting, Infinity is "1_."


20K range will measure from 1-19,999 ohms, probably displayed as 0.001 up to 1.999 assuming a 3-1/2 digit meter.

I would guess the last setting is for checking diodes. With a diode, you need a relatively high voltage (1.5-2.0 volts or so) to trigger the diode into conducting mode. My meter shows you the forward voltage drop of the diode in this mode. If it reads infinity, then the diode may be in backwards, if its infinite both ways, its bad (or like some LEDs, needs more than 2.0 volts to conduct).

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