Comments on: Shorted Turn Tester

By: Jestine Yong

Jestine Yong — Fri, 14 Jun 2019 13:00:22 +0000

In reply to Bob Parker.

Hi Bob,

That was a good idea! Reading the 7 segment displays is much easier. Ok will wait for the video.

Thanks.

Jestine

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By: Bob Parker

Bob Parker — Fri, 14 Jun 2019 12:43:47 +0000

Hi again Jestine,
I have turned my attention to the subject of "ring" testing low frequency and other transformers and inductors. I have found that it is perfectly practical. Right now I'm building a prototype. It won't have just 8 LEDs in a bargraph but two 7-segment displays to show up to 99 rings, which some very good inductors can produce. If it works OK, I will make a video on YouTube and tell you where to see it. Cheers, Bob

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By: Jestine Yong

Jestine Yong — Fri, 10 May 2013 02:45:20 +0000

In reply to Ronald.

Hi Ronald,

For testing normal coils in consumer electronics, a decent coil tester is adequate (like the Blue Ring Tester). But for testing motor winding and some other bigger coils then a more powerful tester is needed.

Jestine

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By: Ronald

Ronald — Fri, 10 May 2013 02:31:39 +0000

The shorted turns tester you show on your website is too complex.
I had a tester 20 years ago that was no bigger than a matchbox and tested all transformers and coils in a TV set. It had 2 leads and a current meter. If the meter worked the coil was OK.

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