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esr tester

  1. throbscottle

    Can't calibrate component tester

    I got one of these a few years ago, and it's given very good service: Banggood Hiland transistor tester but it finally needed it's battery changing, and now I can't re-calibrate it. It gets stuck on the "1-3 capacitor >100nF" (or something like that) message. I connect the capacitor between...

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