BH Loop Plotter

AC magnetic properties:

• AC magnetic Properties - as per ASTM A912/A912M- 04/IS 649
• Toroids/Washers: from 10 mm to 50 mm Inner Diameter(I.D.) and Outer Diameter up to 1.2 X I.D. Stack Height or Thickness up to 25 mm
• B-H Curve(hysteresis loop)
• Frequency - 40 Hz to 1kHz
• Magnetic field - 0 to +/- 25 kA/m
• Induction - up to 3 Tesla
• Hc - as low as 0.1 A/cm

Various properties that can be measured are - BH curve, magnetic polarization at desired peak field level, Remanence, Coercivity, Watt loss per kg at specific induction level etc.

Epstein Test Frame - as per IEC 404-2:

• Strips: 280 x 30 mm and 305 x 30 mm size, up to 1.6 mm thickness
• Frequency - 50Hz

Various properties that can be measured are - BH curve, magnetic polarization at desired peak field level, Remanence, Coercivity, Watt loss per kg at specific induction level etc.

DC Magnetic Properties:

• DC magnetic Properties - as per IEC 60404-4
• Toroids/Washers: The allowed cross sectional area range is 10 mm2 to 200 mm2
• Facility to take measurements at near DC (~0.1Hz) on Toroid.
• Field measurement: ’H’ axis : Minimum possible resolution: 0. 001 Amps/cm
• Various properties that can be measured are - BH curve, Remanence and Coercivity

List of materials that can be tested:

• SiFe, NiFe, CoFe, Nano-crystalline, Amorphous, Metallic, soft Ferrites, Garnets