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DER-EE DE-5000 ESR zero measurement problem.
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Vachik:
It's not a problem DE-5000. That's how it should be. T1 is not a meter LCR!
If you need additional characters (0.0хх), use the mode Rs.
ESR according to specifications, it is usually given at a frequency of 100 kHz.
TA3UIS:
For ESR measurement only, it seems like a good idea to always measure with RS mode for high-capacity capacitors.
sonpul:
ESRs of large electrolytic capacitor ratings are more often measured at 100-120Hz. Some Low ESR and polymer ones already have other requirements. E.t.c.
TA3UIS:
I guess everything is fine and it will be the RS mode that I need to use for high capacity capacitors.
I made two measurements in RS mode at a frequency of 100Hz vs 100kHz and the results were as follows.

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