Describes the terminology and two measuring methods, namely: the ring method and the permeameter method. Both methods use a test specimen in a closed magnetic circuit. Description of the test equipment and the electric circuits is given.
ICS
17.220.20 Measurement. Including measuring instruments, instrument transformers / Измерения электрических и магнитных величин. Включая измерительные приборы, измерительные трансформаторы