Timeline for Why does my capacitor have a capacitance reading on my multimeter but is open circuit?
Current License: CC BY-SA 4.0
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| when toggle format | what | by | license | comment | |
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| Mar 26 at 19:28 | vote | accept | tjbp | ||
| Aug 5, 2022 at 23:57 | comment | added | Kartman | Note that the capacitance measurement doesn’t tell the whole story about how good the capacitor is. You need an ESR meter to determine the health of a capacitor. I’ve had plenty of capacitors that measure ok in capacitance but are through the roof in ESR. If in doubt, replace the capacitor as they are a common failure item. A 1uF motor start cap should only be a few $$$. | |
| Aug 5, 2022 at 18:36 | answer | added | TonyM | timeline score: 0 | |
| Aug 5, 2022 at 18:02 | history | edited | ocrdu | CC BY-SA 4.0 |
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| Aug 5, 2022 at 17:57 | review | Close votes | |||
| Aug 8, 2022 at 18:05 | |||||
| Aug 5, 2022 at 17:33 | answer | added | Justme | timeline score: 0 | |
| Aug 5, 2022 at 17:24 | history | edited | Transistor | CC BY-SA 4.0 |
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| Aug 5, 2022 at 17:20 | history | edited | JRE | CC BY-SA 4.0 |
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| Aug 5, 2022 at 17:18 | answer | added | Transistor | timeline score: 2 | |
| Aug 5, 2022 at 17:10 | comment | added | Big6 | A cap at dc behaves as an open circuit. Once the little current the multimeter injects to measure the resistance charges up the capacitor, no more current can flow and hence, in the ohmmeter setting, it will read open circuit. | |
| S Aug 5, 2022 at 17:05 | review | First questions | |||
| Aug 5, 2022 at 17:12 | |||||
| S Aug 5, 2022 at 17:05 | history | asked | tjbp | CC BY-SA 4.0 |