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.
DS/EN 60404-4/A2:2009 history
2009DS/EN 60404-4/A2:2009 Magnetic materials - Part 4: Methods of measurement of d.c. magnetic properties of magnetically soft materials
2002DS/EN 60404-4/A1:2002 Magnetic materials - Part 4: Methods of measurement of d.c. magnetic properties of magnetically soft materials
1998DS/EN 60404-4:1998 Magnetic materials - Part 4: Methods of measurement of d.c. magnetic properties of iron and steel