I.S. EN 60404-4:1998现行
Magnetic Materials Part 4: Methods Of Measurement Of D.c. Magnetic Properties Of Magnetically Soft Materials
出版：National Standards Authority of Ireland
专家解读视频
Specifies 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. Also gives description of the test equipment and the electric circuits.
SS EN 60404-4:1997 - Identical
UNE EN 60404-4:1999 - Identical
IEC 60404-4 Ed. 2.1 - Identical
NF EN 60404-4:1998 - Identical
NBN EN 60404-4:1997 - Identical
DIN EN 60404-4 (2002-10) - Identical
BS EN 60404-4:1997+A2:2008 - Identical
SN EN 60404-4:1997 - Identical
IEC 60404-4 : 2.2 - Identical
UNE EN 60404-4 : 1999 - Identical
NBN EN 60404-4 : 1997 AMD 2 2009 - Identical
DIN EN 60404-4 : 2009 - Identical
SN EN 60404-4 : 1997 AMD 1 2002 - Identical
BS EN 60404-4 : 1997 - Identical
NF EN 60404-4 : 1998 AMD 2 2009 - Identical
EN 60404-4 : 97 AMD 2 2008 - Identical
DIN EN 60404-4 : 2009 - Identical
BS EN 60404-4 : 1997 - Identical
