1 Prezentul standard se refer? la determinarea pierderilor de remagnetizare prin metoda watt-metrului, la valori prescrise ale frecven?ei ?i induc?ieifmagnetice maxime, cuprinse ?n urm?torul domeniu:
— frecven?a /
STAS 7758/3-1977 history
1977STAS 7758/3-1977 MAGNETIC SHEETS Methods for measuring the magnetization Iosses by means of the 25 cm Epstein frame The wattmeter method