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Just ordered Aneng MH13 Insulation Resistance Meter. Any comments on the spec

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shapirus:

--- Quote from: Bad_Driver on July 28, 2024, 07:58:25 am ---But AC measurment is wrong, see attached picture. Has anyone else this seen?

--- End quote ---
Double check that you're feeding the voltage into the correct inputs. I don't recall which ones are correct for this measurement, so take it as a hint and check the manual.

p.s. I've never tried to measure AC voltage with mine, in fact, it has never occurred to me that it could be used as an AC voltmeter, because, well, what's the point, if I already have a proper DMM for that? :)
Will maybe try it some time later to see if it's any different from yours.

Bad_Driver:
Inputs are correct, I tried it several times on some outlets in my house. Ground is connected to the housing of my insulation transformer to see if this has any impact.

Thanks for your fast reply. I will never use the MH13 for AC measurement but I‘m wondering if this error has any impact on the other measurment.

dseyst:
You should check your MH13 manual to see how to use the different input jacks. To measure ac voltage you would use the two middle input jacks

Bad_Driver:

--- Quote from: dseyst on July 28, 2024, 10:11:50 am ---You should check your MH13 manual to see how to use the different input jacks. To measure ac voltage you would use the two middle input jacks

--- End quote ---

Thanks for your advice! Not easy to spot in the „manual“ but now it is correct!

shapirus:
...yeah that's exactly what I meant by asking whether the input jacks were correct :)

It's also important to pick the right ones to measure resistance. I believe it's the two outermost ones, at least, it works in my case. I don't think I have ever read the manual, though.

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