magnet & pawder tester

Magnet And Powder Tester

H30 Series: AlniCo, Ferrite, NdFeB, SmCo5, Sm2Co17 magnets are tested and their B-H and MH loops are plotted using Ferrites India make H30 series hysteresis loop tracers. The complete system consists of a magnetizer to magnetize the test piece, an electromagnet and a BH Loop Plotter. Magnets with coercivity as high as 13 kOe and more can also be tested.

Specifications:

  • State of Art, Indigenous Equipment for testing of Magnets.
  • Wide Material Type Testing—Ferrite, AlNiCo, Rare Earth—NdFeB, SMCO₃, Sm₂CO₁₇.
  • ASTM/ IEC /IS Standard Compliance.
  • Measurement Accuracy—1%.
  • Measurements up to 18000 Oe
  • Magnet Shape—Rectangular, Ring, Cylinder, Segments
  • Measurements with Surround Coils and Pole Coils
  • BH Loop Graphical Display
  • Calibration Traceable to International Samples
  • Variety of Magnetic Properties tested
  • Fully computerized system, Very Low Measurement Time,
  • Data Automatically Generated and Saved.
  • No Operator Skill Required, Easy Installation and Operation.
  • All accessories Supplied for Smooth Running.
  • Detailed Test Reports for Design Applications.

Applications:

  • Motor Manufacturing
    Qualifying rare earth and ferrite magnets used in permanent magnet motors, BLDC motors, and servo motors for consistent magnetic performance.
  • Fan Manufacturing
    Testing ferrite and rare earth magnets used in fan motors to ensure correct magnetic strength and grade before assembly.
  • Aerospace
    Qualifying high-coercivity magnets up to 18000 Oe used in aerospace actuators, sensors, and flight-critical power systems.
  • Defence
    Testing NdFeB and SmCo magnets used in defence guidance systems, radar components, and military-grade electromechanical devices.
  • Magnetic Separator Industry
    Verifying magnetic strength of rectangular, ring, and segment magnets used in industrial magnetic separators for mining and food processing.
  • R&D Laboratories
    Plotting complete BH and MH hysteresis loops for new magnet material development and grade comparison research.
  • Educational Institutions
    Demonstrating BH loop characteristics of different magnet grades for physics and magnetic engineering students.
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FAQ:

  1. How can I verify whether a magnet meets its specified magnetic strength?
    A magnet tester measures key magnetic parameters to ensure the magnet performs according to design and application requirements.
  2. Why do two magnets of the same size show different performance?
    Differences in material grade, manufacturing process, magnetization quality, and operating conditions can affect magnetic performance.
  3. What causes a permanent magnet to lose its magnetic strength?
    Excessive heat, mechanical shock, and exposure to opposing magnetic fields can lead to demagnetization.
  4. Can magnet testing help prevent product failures?
    Yes. Detecting weak or defective magnets early helps avoid performance issues and costly field failures.
  5. Why is magnet testing important for EV motors and generators?
    Accurate magnetic performance directly impacts efficiency, torque output, energy consumption, and reliability.
  6. Why is magnetic powder testing important before manufacturing?
    Testing ensures the magnetic powder meets required specifications before compaction and final processing.
  7. How does powder quality affect magnetic component performance?
    Powder characteristics influence permeability, core loss, saturation levels, and overall efficiency.
  8. How does powder testing support material development?
    Researchers use powder testing data to optimize formulations for specific applications and operating conditions.
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