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Post by larryguitar54 on Mar 27, 2022 14:42:07 GMT -5
So I want to test some suspect capacitors with my multimeter. Can I test them with multimeter without unclipping from the circuit?
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pdf64
Wholenote
Posts: 557
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Post by pdf64 on Mar 27, 2022 17:26:08 GMT -5
It depends on the circuit around them.
What are you hoping to find out?
A multimeter’s only good for identifying shorts and value drift, won’t test for the most common cap failure modes of excessive leakage / ESR.
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Post by willie on Apr 5, 2022 8:48:54 GMT -5
Ditto...
w
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Post by larryguitar54 on Apr 5, 2022 17:10:59 GMT -5
Yup guys. A little research and I figured it out. Need a good ESR meter. I"ll probably hold off for now. I know enough to turn this kind of issue over to a tech.
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Post by LTB on Apr 12, 2022 1:35:52 GMT -5
I built a kit ESR Meter several years ago. It was meant for capacitors but I found it also useful in testing Micro switch contacts (measured say 10 times while pressing and releasing the switch) to check for intermitant contacts. Still have it.
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Post by LTB on Apr 14, 2022 4:28:41 GMT -5
So I want to test some suspect capacitors with my multimeter. Can I test them with multimeter without unclipping from the circuit? |
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