BioMagnet Mattress Pad - Standard Strength King Sleep Pad, 75"x82", 285 Magnets
Designed to make sleeping or resting a new pleasure. 1" diameter ceramic disk magnets, 4" on center placement. Sizes for every bed. Deluxe, durable Belgian nylon cover, only 3/4" thick. All bio-north one side, bio-south on the other. Same strength as Nikken sleep products.
What About Gauss?
Many magnet products are rated by "gauss". This can be extremely misleading. Gauss is not a number which indicates the strength of a magnet.
Unfortunately, there isn't a number which describes the overall strength of a magnet in an open circuit. This includes the types of magnets used for therapeutic uses. That is because biomagnets do not have supplemental ferromagnetic components to provide a complete path for the magnetic energy. This includes all magnets used in mattress pads, support items, jewelry, and encased disks or blocks.
A gauss meter is a device that can measure lines of magnetic flux at a specific point on a magnet, but that reading provides no information about the total energy of the magnet being tested, nor any information about how far the energy will project from the surface of the magnet. So-called "Manufacturer's Ratings" can be just as meaningless as gauss ratings.
To illustrate:
A tiny neodymium-iron-boron magnet, not even one-tenth the size of a penny, can have a manufacturer's rating of 12,500 gauss. The flux density on the surface of this magnet, measured using a gauss meter, is 985 gauss. A simple magnetometer, another device used to measure field strengths, reads 2 gauss at a distance of 1/8" from the surface of the magnet.
So, is this a 12,500-gauss magnet, a 985-gauss magnet, or a 2-gauss magnet? The plot thickens.
A typical ferrite ceramic magnet, about one-third the size of a penny, may have a manufacturer's rating of 3850 gauss. The flux density on the surface is measured to be 565 gauss. The magnetometer reads 2 gauss at a distance of approximately 3/4" from the surface of the magnet. What is the rating?
Now take a rather large magnet that will, by all in agreement, stimulate significant biological activity. A ferrite-ceramic magnet measuring 10" by 3 1/2" by 1". The manufacturer's rating is 3850 gauss, the same as the much smaller ceramic magnet. The flux density on the large flat surface of the magnet measures 950 gauss at the end, 720 gauss on the sides and 465 gauss at the center. Now for what really counts: The magnetometer measures 2 gauss at a distance of approximately 20" from the surface of the magnet.
The total strength of a magnet depends both on the type of magnetic material and the size. It should be evident from the above, that "gauss" readings do not provide any useful information. The smallest magnet in our illustration had the highest numbers!
Why do sales people use gauss ratings?
It's convenient, and it sells. The competition claims to have 900 gauss magnets, and so the other company says theirs have a rating of 1000. Or it could be an honest mistake. Some resellers of magnetic products just repeat what the manufacturer tells them, without realizing how meaningless these numbers really are. Even some researchers parrot the gauss ratings, because that is how the magnets they are testing have been described to them. In either event, do not be misled by such marketing practices.
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