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Risheng Magnets International Co., Ltd.
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You are here: home  > FAQ  > If I have a Neo magnet with a Br of 13,800 Gauss, should I be able to measure 13,800 Gauss on its surface?

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Risheng Magnets International Co., Ltd. [China (Mainland)]


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FAQ

If I have a Neo magnet with a Br of 13,800 Gauss, should I be able to measure 13,800 Gauss on its surface?

No. The Br value is measured under closed circuit conditions. A closed circuit magnet is not of much use. In practice, you will measure a field that is less than 13,900 Gauss close to the surface of the magnet. The actual measurement will depend on whether the magnet has any steel attached to it, how far away from the surface you make the measurement, and the size of the magnet (assuming that the measurement is being made at room temperature). For example, a 1" diameter N-48 Neo magnet that is 1/4"long, will measure approximately 2,800 Gauss 1/16" away from the surface, and 2,466 Gauss 1/8" away from the surface.
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