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Chipamp IC amp kits & PC boards from ChipAmp

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Old 31st March 2015, 02:38 AM   #11
thunderchicken is offline thunderchicken  United States
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Well, no sparks, but no measurements either. I think my DMM is toast. Tried testing the working one too- all I'm getting is "1" which is an overload, even at the 2000V scale. I no longer trust this tool and I'm going to go replace it. I'm going to return it and try again with one straight out of the box.
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Old 31st March 2015, 03:31 AM   #12
thunderchicken is offline thunderchicken  United States
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Join Date: Mar 2015
Alright, brand new DMM with brand new battery says 39.4V on the "bad" board between PG+ and V+, matching 39.4V between PG- and V-. The working board is 39.5V on both sides. It's close to the 42V limit, but definitely and obviously under it. I can safely say that the power supply is not the problem.
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