Standard Test Method for Alternating-Current Magnetic Properties of Materials at Low Magnetic Flux Density Using the Voltmeter-Ammeter-Wattmeter-Varmeter Method and 25-cm Epstein Frame
NORMA vydaná dňa 1.6.2020
Označenie normy: ASTM A889/A889M-14(2020)
Dátum vydania normy: 1.6.2020
Počet strán: 6
Približná hmotnosť: 18 g (0.04 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
alternating-current, ammeter, core loss, Epstein, exciting power, induction, magnetic, magnetic material, magnetic test, permeability, power frequency, varmeter, voltmeter, wattmeter,, ICS Number Code 29.030 (Magnetic materials)