Insulation Resistance

basic · 30 Mar 2006

An insulation resistance tester needs to be able to supply an output of 1mA at the required test voltage?

Can someone please tell me why.

I've checked all my books, including GN3, Regs, OSG, and I can't find the answer to my querry

Thanks in advance

TopTrumper · 30 Mar 2006

An effective test for insulation can only be made if the output voltage is maintained by the instrument

plugwash · 30 Mar 2006

i'd guess for testing bad insulation

1ma at 500V would be 500K which i belive is the minimum allowable by the regs. so it makes sense that the instrument should be accurate down to that value.

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Insulation Resistance

basic

TopTrumper

plugwash

DIYnot Local

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