BS EN IEC 60404-7:2020 pdf free.Magnetic materials.Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit. BS EN IEC 60404-7 1 Scope This part of lEC 60404 specifies a method of measurement of the coercivity of magnetic materials in an open magnetic circuit. This document is applicable to all magnetic materials with...