1 Prezentul standard stabile?te metoda de determinare, cu ajutorul pun?ii Hohle sau a pun?ii Hay modificate, a pierderilor de remagnetizare ?i a permeabilit??ii relative a tablei electrotehnice, utiliz?nd cadrul Epstein de 25 cm.
2 Metoda pun?ii s
STAS 7758/4-1978 history
1978STAS 7758/4-1978 MAGNETIC SHEETS Measuring of magnetization losses by means of the 25 cm Epstein forame Bridge methods