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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Re: How do you measure Diodes with a DVM/Multimeter?

>This is why modern multimeters have a seperate diode test position which actually measures the voltage drop (not the resistance) across the diode when a test voltage is applied to it

The voltage drop should be the same as the test voltage, regardless of polarity, so that's probably not what's being measured. However, significant current flow only exists in one direction.


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