Applies to magnetic materials having a coercivity up to 500 kA/m. Describes definitions and principle of method. Specifies requirements for test specimen, measurement and test report. Describes precautions to be taken for measurements of coercivity below
IEC 60404-7:1982 history
2019IEC 60404-7:2019 Magnetic materials - Part 7: Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit
1982IEC 60404-7:1982 Magnetic materials. Part 7 : Method of measurement of the coercivity of magnetic materials in an open magnetic circuit