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Magnetic evaluation

How are magnets rated?

Magnets are characterized by three main features:

  • Residual Induction: With the symbol Br, measured in Gauss, this is an indication of how strong the magnet can be.
  • Forced Force: Given the symbol Hc and measured in Oersteds, this is an indication of how difficult it is to demagnetize the magnet.
  • Maximum Energy Product: With the symbol BHmax, measured in Gauss-Oersteds, this is an indication of the volume of magnetic material required to project a given magnetic flux.