Electronics > Repair

Video: Capacitor Leakage testing

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w2aew:
For folks that repair/restore electronics, especially vintage electronics...  A common need is to test capacitors for leakage at high voltages.  My latest video discusses this, and shows a nice high-voltage leakage tester from the Antique Wireless Association:


rsjsouza:
Alan, here you go with yet another excellent video. Also, the aesthetic of the tester is pretty nice - it could easily pass as an age-appropriate tester. Thank you for doing these videos.

Per Hansson:
Thanks for making this video Alan, watched it yesterday.

There is a simplified circuit available here ;)
https://www.eevblog.com/forum/beginners/is-there-any-practical-or-quick-n-dirty-method-to-measure-capacitor-leakage/msg722332/#msg722332

mansaxel:
I especially appreciate the absence of humming ahems and hints to a Patreon-hidden page where the mystique of a such tester might be revealed. Instead we here find a clear declaration of the circuit and the actual reality of enough DC volts to test the cap.  Less smoke and mirrors, more science.

Thanks.

Shock:
Nice project and great video as always Alan. Have you ever used your Tek 576 to look at capacitor leakage?

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