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How to Check Capacitor Functionality with Electric Meter: Testing Techniques & Tips

Nika76 37359 6
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Treść została przetłumaczona polish » english Zobacz oryginalną wersję tematu
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  • #1 16751275
    Nika76
    Level 7  
    Posts: 10
    Hello, how to check if the capacitor is working with an electric meter
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  • #2 16751320
    retrofood
    VIP Meritorious for electroda.pl  
    Posts: 31317
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    Nika76 wrote:
    Hello, how to check if the capacitor is working with an electric meter

    Do you have a capacity meter?
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  • #3 16751512
    rosak
    Car dashboards specialist  
    Posts: 1789
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    The capacitance meter alone will do him no good, he will not measure ESR. Popular Chinese "measures of everything" at prices from 30 zlotys here will be checked, the first from the shore:
    Digital ESR Meter Mega328 Transistor Tester Diode Triode Capacitance MOS / PNP / NPN / LCR METER TESTER
    http://s.aliexpress.com/BjIfqIzM

    Added after 5 [minutes]:

    I'm sorry, I assumed in advance that it is about electrolytic capacitors. If not, just a simple multimeter with capacitance measurement, as suggested by the previous speaker.

    Added after 1 [minutes]:

    Nika76 wrote:
    how


    You set on the measurement of capacitance and probes you apply to the capacitor leads ;)
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  • #4 16752113
    1repcaK
    Level 21  
    Posts: 401
    Help: 52
    Rate: 122
    Such a small reminder:
    Before the measurement, discharge the capacitor because it may be uninteresting. How to Check Capacitor Functionality with Electric Meter: Testing Techniques & Tips
  • #6 16752802
    rosak
    Car dashboards specialist  
    Posts: 1789
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    1. You will only check the capacitance with a capacity meter, you will not measure ESR.
    2. Using the method suggested by Marian B you will check the capacity "by eye" and whether the capacitor is compact, you will not measure the ESR.
    3. To measure the ESR, you need an ESR meter, just Chinese. Of course, you can also use an oscilloscope and mathematics, but I assume that the author does not mean it.
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  • #7 16752839
    Anonymous
    Level 1  
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Topic summary

✨ To check the functionality of a capacitor using an electric meter, a capacitance meter is recommended for measuring capacitance, although it does not measure Equivalent Series Resistance (ESR). For electrolytic capacitors, a simple multimeter with capacitance measurement capabilities can suffice. It is crucial to discharge the capacitor before testing to avoid inaccurate readings. For ESR measurement, an ESR meter is necessary, and while oscilloscopes can also be used, they require more complex calculations. Various testing methods and tools, including a digital ESR meter and transistor testers, are discussed, with links provided for further reference.
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