Re: Digital or Analog Insulation Meter/Tester

Hi, the bad filter capacitor you mean it is breakdown in your application. Is the working condition beyond the filter capacitor specification?
For example, frequency range, temperature range, max. ripple current and capacitor installation.
If everything is alright, you can compare the new capacitor ESR with a good quality capacitor reading with a reasonable frequency setting.

Wishing this can be useful for you.
Goman