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07-02-2009, 02:35 PM
| #1 |
| Member Join Date: Mar 2009
Posts: 39
| 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  Last edited by DrStrangelove; 07-02-2009 at 05:46 PM. |
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07-02-2009, 02:53 PM
| #2 |
| Senior Member  Join Date: Sep 2008
Posts: 108
| 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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07-02-2009, 05:03 PM
| #3 | |
| Supporting Member  Join Date: Jul 2008
Posts: 611
| Quote:
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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07-02-2009, 06:11 PM
| #4 | |
| The Immoderator  Join Date: May 2006 Location: NYC Metro
Posts: 232
| Quote:
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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07-02-2009, 06:12 PM
| #5 |
| Old Timer  Join Date: May 2006 Location: The Dog House
Posts: 1,334
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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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07-03-2009, 02:54 AM
| #6 |
| Junior Member Join Date: Jun 2008
Posts: 16
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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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07-03-2009, 03:14 AM
| #7 |
| Old Timer  Join Date: May 2006 Location: Planet Mongo in the country of PAF
Posts: 2,543
| ...
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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07-03-2009, 04:18 AM
| #8 |
| Supporting Member Join Date: Dec 2006
Posts: 958
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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.
__________________ www.guitarforcepickups.com |
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