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Thread: Cig voltmeter accuracy?

  1. 29th November 2020, 06:57 PM #1
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    Cig voltmeter accuracy?

    I put a cig socket voltmeter in my dash just for a quick glance while driving. Just wondering how accurate these things are. Cheers.
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  2. 29th November 2020, 07:01 PM #2
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    scarry
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    I have one that plugs in the cig lighter and its almost spot on with my Fluke multimeter.

    Could be a different brand than your though.
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  3. 29th November 2020, 07:18 PM #3
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    Quote Originally Posted by scarry View Post
    I have one that plugs in the cig lighter and its almost spot on with my Fluke multimeter.

    Could be a different brand than your though.
    God to know scarry. Mine is from jaycar, I figured it would be a bit better than a $5 jobbie off eBay, but maybe not.
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  4. 29th November 2020, 07:49 PM #4
    AK83
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    generally about + or - 0.2volts.

    Usually close enough just to see how the alternator/battery are holding up.
    Arthur.

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  5. 30th November 2020, 06:28 AM #5
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    I don't have one of these in my disco But I do have one of those dash mounted volt meters that are part of a multiple ciggy lighter/USB combo on my boat and I have found the volt meter to be fairly accurate as I have tested the reading on the volt meter against a multi meter on the batteries

    I find it to be a very handy bit of kit especially on a boat.
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