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Old 4th April 2011, 02:01 PM   #11
oshifis is offline oshifis  Hungary
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The professional method (which I use ) is to charge the capacitor with a Megohmmeter in 10V increments and see the isolation resistance go over 10Mohm under voltage. Same can be achived with a variac.
Megohmmeter IM6 Radio Radiometer;
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Old 4th April 2011, 08:38 PM   #12
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Quote:
Originally Posted by oshifis View Post
The professional method (which I use ) is to charge the capacitor with a Megohmmeter in 10V increments and see the isolation resistance go over 10Mohm under voltage. Same can be achived with a variac.
Megohmmeter IM6 Radio Radiometer;
I don't understand this term:
"the isolation resistance go over 10Mohm under voltage"
mean you, that the isolation resistance is much lower than 10 M-Ohm without DC voltage bias between the positive and the negative connectors from your electrolytic capacitor?

BTW - I am looking for a electrolytic capacitor analyser. The most important thing for me is to get a graph about the frequency dependent electrical serial resistance (ESR) while various ripple current surge loads and various ambient temperatures.
What model is here the best choise?

Last edited by tiefbassuebertr; 4th April 2011 at 08:41 PM.
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