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Availbale Products, Material- and Service suppliers => Wanted items => Topic started by: FredWalter on March 17, 2007, 02:46:45 PM

Title: Gaussmeter advice
Post by: FredWalter on March 17, 2007, 02:46:45 PM
I'm looking to buy a guassmeter. Anyone have any advice? Anyone have any experience with guassmeters that they'd like to post?
Title: Re: Gaussmeter advice
Post by: Paul-R on March 17, 2007, 04:29:30 PM
There is a large demand for these. Maybge someone will express an opinion
on this inexpensive DIY design:
http://www.coolmagnetman.com/magmeter.htm
NB. Magnetism has direction as well as strength.
Paul.
Title: Re: Gaussmeter advice
Post by: FredWalter on March 18, 2007, 06:01:59 PM
There is a large demand for these. Maybge someone will express an opinion
on this inexpensive DIY design:
http://www.coolmagnetman.com/magmeter.htm

The above design will let you test the relative strengths of magnets/electromagnets.

However if you are trying to reproduce someone else's device then you'll want to know the absolute strength of the magnets/electromagnets used.
Title: Re: Gaussmeter advice
Post by: bitRAKE on March 18, 2007, 06:37:43 PM
The is another device on the second page, or tests could be designed to calibrate the inexpensive device.
Title: Re: Gaussmeter advice
Post by: FredWalter on March 19, 2007, 12:20:03 AM
tests could be designed to calibrate the inexpensive device

Since you came up with the idea, please design such a test.

If your method involves mailing a calibration magnet around to everyone, so they can calibrate their inexpensive devices, well... once you've paid to mail this magnet around, and screwed around with calibrating your homemade device, you're not spending all that much less than one of the cheap pre-made gaussmeters.
Title: Re: Gaussmeter advice
Post by: bitRAKE on March 19, 2007, 04:41:44 PM
In my ignorance, I was thinking of using a local device of a higher calibration than the cheap one. The availiblity of this local device would not be uniform or desirable in general.