Laboratorio Elettrofisico AMH-500 Hysteresisgraph (Alnico, Ferrite, NdFeB, SmCo, Bonded magnets)

General

Measurable materials: Alnico, Ferrite, NdFeB, SmCo5, Sm2Co17, bonded magnets

Important note: Rare earth magnets need to be saturated externally (e.g., with a pulse magnetizer)

Measurable quantities: Br, HcB, HcJ, BHmax, Hknee, HA, BA, µrecoil, Jsat, Hsat, temperature coefficients αBr, αHcJ, load line, working point, squareness, etc.

Measurable shapes: Cylinder, parallelogram, ring, any prism with parallel bases

Sample size: Diameter or diagonal from 3 to 82 mm, height from 0.5 to 50 mm

Accuracy: Br ± 1%, HcB, HcJ ± 1.5%, BHmax ± 2%

Max H field: Up to 3.2 T (2.560 kA/m) with 40 mm poles at 2.5 mm gap

Test time: Less than 30 seconds

Main Electrical Cabinet

Voltage: 220 V (+10%) single-phase + ground, 50-60 Hz, 16 A max

Power: 3 kVA

Dimensions: L 543 x W 610 x H 420 mm - L 21” x W 24“ x H 16.5”

Weight: 58.5 kg - 129.3 lb

Fluxmeter DF (2 Units)

Ranges: (1, 2, 5, 10, 20, 50, 100) x 2000 µWb

Resolution: From 1 µWb (range 1) to 100 µWb (range 100)

Accuracy: ±0.5%

Drift: Less than 1 digit/minute

Input impedance: 10 kΩ x range

Magnetic Yoke LEP/100-4 S

Poles diameter: 120 mm - 4.72”

Maximum air gap: 80 mm - 3.14“

Max field intensity: See diagrams

Movement operating: Manual

Poles pieces setting: Micrometric

Dimensions (excluded upper poles adjustment): 330 x 410 x 491 mm - 12.9” x 16.1“ x 19.3”

Weight: 350 kg (approx) - 780 lb