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Thread: Gauss meter

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    Gauss meter

    is this one ok to measure hum and single coil magnet strength?

    Best EMF Detector Gauss Meter for pro ghost hunters - eBay (item 170351748325 end time Jul-07-09 22:27:12 PDT)

    this one says: from 0 to 50 milligauss

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    Last edited by DrStrangelove; 07-02-2009 at 04:46 PM.

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    Senior Member Chadheckler1's Avatar
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    Don't think so.

    I saw a table on this forum somewhere that said that A5 can measure up 12,800 Gauss when fully charged...so I don't think that one will work. It is probably designed for sensing really low magnetic fields...like ghosts I guess?!?!?

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    Supporting Member belwar's Avatar
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    Quote Originally Posted by clown_luthier View Post
    is this one ok to measure hum and single coil magnet strength?

    Best EMF Detector Gauss Meter for pro ghost hunters - eBay (item 170351748325 end time Jul-07-09 22:27:12 PDT)

    this one says: from 0 to 50 milligauss
    Just remember you get what you pay for.

    The GMA-200 is still the best one I have seen for the money. I love it and would spend the $200 on it again in a heart beat

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    the IMmoderator DrStrangelove's Avatar
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    Quote Originally Posted by clown_luthier View Post
    is this one ok to measure hum and single coil magnet strength?
    ...
    this one says: from 0 to 50 milligauss
    Probably not.

    Most pickup magnets are in the 500-3000 Gauss range.

    The Carlson Melton GM-200A is a good bet at $300+ MSRP.
    Trifield's Model 1 is similar, costs $260 MSRP.
    Everything from FW Bell starts near $1000.

    When a magnet alloy is spec'd at 12,500 gauss maximum remanence (Br),
    it means a theoretical maximum. You might need a 9 inch Alnico rod to
    reach that maximum figure since it is fighting against a tendency to
    demagnetize.

    Conversely, C5 ceramic magnets max out at 3800 Gauss but, because
    of higher coercivity (Hc), can be stronger than a same size alnico magnet.


    -drh

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    Old Timer Spence's Avatar
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    I think I was the first pickup maker to buy that gauss meter.

    They don't sell outside the US anymore but I suspect you are Kim Le Fleur so you'll be able to get one here :

    Gaussmeter - GM200A

    It's a great unit and should it ever break down I would fly over to the US to get another.

    Surely Jeff Shepperd has a gauss meter you can use.

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    Remember the cheep Gauss meters only measure the AC around 60hz. That would be the magnetic field that a light socket gives off.
    I have a cheap meter and the only way I get a reading from a pickp magnet is to wave it in front of the meter. not accurate at all!!!

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    Old Timer Possum's Avatar
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    ...

    Don't forget the AlphaLab gaussmeters. You really don't need AC reading capabilities unless you are measuring fields around motors. Alpha was selling on Ebay for awhile at really good prices, but I don't see them there now, maybe they needed some quick cash...
    Here's a link to their page for magnets:
    Magnetic Measurement Instruments

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    http://www.SDpickups.com
    Stephens Design Pickups

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    Tone Mechanic
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    The CM meter is great for the price and what you get. It is the boutique pickup industry standard pretty much. ...and many makers use it.

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