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DIY Inductance Meter

Discussion in 'General Electronics Discussion' started by Rleo6965, Aug 21, 2013.

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  1. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    Can somebody recommend diy project of inductance meter not using PIC.
     
    Last edited: Aug 21, 2013
  2. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,476
    2,820
    Jan 21, 2010
    Google is remarkably helpful.

    Here is the first hit.
     
  3. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    Thanks Steve.

    This one seems will work. Will give it a try. Even never tried use LM311 as an oscillator.:)
     
  4. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    Already assembled the LM311 Inductance Meter. I'm interested reading inductance 1uH to 500uH for my smps inductor and Battery Desulfator diy projects.

    It's not accurate measuring my 6.8uH. But can measure my 100uH.

    Circuit was prone to stray CFL, CRT monitor signals. Need to keep away from this device.:D

    Below picture of Excel computation. Note: Actual computation Frequency have varied because I relocate my Inductance Meter for picture taking.
    Can't show my working table. It's looks junk yard of components and tools.:D
     

    Attached Files:

  5. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    Can somebody suggest another inductance meter that was already built and tested?:)
     
    Last edited: Aug 22, 2013
  6. (*steve*)

    (*steve*) ¡sǝpodᴉʇuɐ ǝɥʇ ɹɐǝɥd Moderator

    25,476
    2,820
    Jan 21, 2010
    I have something like this, except it has 4 buttons and only measures capacitance and inductance.

    There's plenty of these available.

    Mine seems pretty consistent with the marked inductance on a wide variety of inductors.
     
  7. Kam

    Kam

    19
    0
    Aug 21, 2013
    i have this one
     
  8. Rleo6965

    Rleo6965

    585
    9
    Jan 22, 2012
    I'm looking for schematic diagram of inductance meter that somebody already built and tested.

    Already googled it. But which one was really working and accurate. :)
     
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