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Digital C-ESR meter

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Discussion in 'General Electronics Discussion' started by caps, Feb 10, 2019.

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  1. Feb 10, 2019 #1
    caps

    caps

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    Jul 29, 2018
    Digital C-ESR meter.
    https://www.qsl.net/yo4hfu/ESR.html
    My version of the ESR meter. Made in the form of tweezers. I applied components from the best manufacturers. As a result, I got a stable in-circuit operation in the range of 0,001-0.01 Ohms.
    Polymer capacitor 150uF.
    ESR-0,004 Ohm.
    C-ESR meter.jpg
     
    Last edited: Feb 10, 2019
    hevans1944 and davenn like this.
  2. Feb 10, 2019 #2
    caps

    caps

    171
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    Jul 29, 2018
  3. Feb 12, 2019 #3
    caps

    caps

    171
    8
    Jul 29, 2018
    Resistor SMD 0,01Ohm 1%.
    Resistor SMD 0,02Ohm 1%.
     

    Attached Files:

  4. Feb 15, 2019 #4
    caps

    caps

    171
    8
    Jul 29, 2018

    Attached Files:

    Last edited: Feb 15, 2019
  5. Feb 18, 2019 #5
    caps

    caps

    171
    8
    Jul 29, 2018
    1,5uF 400v.ESR-10 Ohm.
    Very good.
     

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  6. Feb 20, 2019 #6
    hevans1944

    hevans1944 Hop - AC8NS

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    Lots of good electronics coming from the Russian Federation now.
     
  7. Feb 21, 2019 #7
    dick56

    dick56

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    Apr 15, 2011
  8. Feb 21, 2019 #8
    caps

    caps

    171
    8
    Jul 29, 2018
    Can you measure a 0.1 Ohm resistor?
     
  9. Feb 21, 2019 #9
    dick56

    dick56

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    Apr 15, 2011
    I will give it a try as I have not measured resistance that low as yet.
     
  10. Feb 22, 2019 #10
    dick56

    dick56

    18
    2
    Apr 15, 2011
    Here are some pic of the meter while measuring a 0.82 ohm resistor Ohm meter.jpg Ohm meter2.jpg and a 224 nf capacitor
     
  11. Feb 23, 2019 #11
    caps

    caps

    171
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    Jul 29, 2018
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