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Materials Testing Laboratory

Category Materials Testing Lab
Test Magnetic Testing

Testing of Magnetic Materials

Testing of magnetic properties is necessary for the selection, production and quality control of magnetic materials used in many industrial applications such as the electric motors, transformers, sensors, speakers, and recording media. Utilizing a state-of-the-art testing system manufactured by BROCKHAUS MESSTECHNIK, and the testing methods conforming to ASTM standards such as A342, A343, A773 and A977, EMSL provides wide range of magnetic properties testing for both the “soft” and “hard” magnetic materials. The magnetic properties that EMSL can measure for you include:

  • Saturation magnetization
  • Maximum, initial and other permeabilities
  • Remanence and coercive field
  • Hysteresis loss
  • DC and AC B-H curve
  • Epstein frame and ring samples testing for soft-magnetic materials
  • Demagnetization curve of permanent magnet (testing temperatures up to 200°C)


For your magnetic materials testing needs, please contact John Passero at or 1-800-220-3675 extension 3604.

Hysteresis Loop

Example: Hysteresis loop of a ferrite sample measured at EMSL Analytical, Inc.

Instrumentation: Brockhaus MPG-100D testing system.