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Thread: Dual coils - Multimeter Ohm

  1. #1
    AVF Regular
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    Dual coils - Multimeter Ohm

    I normally check my Ohms on my provari, but I got a hybrid yesterday which made me get out the multimeter.

    I need help though....

    When touching the positive and negative together I am getting 0.8Ohm.
    When touching the positive on the inside 510 connection and the negative on the threads of the 510 I am getting 1.5Ohm.
    Is this telling me I have got:
    1.5 - 0.8 = 0.7Ohm. Which is 1.4Ohm each coil?

    Sorry if this doesn't make sense, I googled and searched the forum but just wanted someone to tell me I'm right.

    Cheers guys! Here's a pic just for fun.

    Fatman likes this.
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  2. #2
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    Correctomundo!!! I find if I leave the positive and the negative probes together for up to about ten seconds the internal resistance of the MM goes down further. Mine usually levels out to about .6 but will sometimes go down to .4. I only take it to be a ball-park figure.
    Fatman likes this.
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  3. #3
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    Put your positive on your positive post and negative on your deck you will get your correct ohms without having to halve it minus your multimeters internal resistance which for a lot of them it's around .2

  4. #4
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    Quote Originally Posted by Gresh11 View Post
    Correctomundo!!! I find if I leave the positive and the negative probes together for up to about ten seconds the internal resistance of the MM goes down further. Mine usually levels out to about .6 but will sometimes go down to .4. I only take it to be a ball-park figure.
    Thanks for the response Gresh! Yeah, only goes down to .8. It's not a cheap one so surprised it has such an internal resistance.
    supporter of genuine mods and attys


  5. #5
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    Quote Originally Posted by Toddosh View Post
    Put your positive on your positive post and negative on your deck you will get your correct ohms without having to halve it minus your multimeters internal resistance which for a lot of them it's around .2
    Cheers Toddosh,
    Didn't think of that. I did go from positive post to both grounds but then started confusing myself even more.
    Getting 1.5 on the deck, -.8 = .7! Much easier than trying to connect to the underneath.

    Phew, just glad I understand it now.

    Thanks
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