BS EN 60404-4:1997+A2:2008:2014 Edition

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Magnetic materials – Methods of measurement of d.c. magnetic properties of magnetically soft materials

Published By	Publication Date	Number of Pages
BSI	2014	28

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Description

This part of IEC 60404 specifies the methods of measuring the d.c. magnetic properties of magnetically soft materials iron and steel in a closed magnetic circuit using either the ring or the permeameter methods. The ring method is suitable for use with laminated or solid ring specimens as well as ring specimens produced by sintering.

Two methods are used:

the ring method, particularly for magnetic field strengths of up to 10 kA/m;
the permeameter method for magnetic field strengths in the range 1 kA/m to 200 kA/m.

NOTE

The measurement of coercivity in an open magnetic circuit is specified in IEC 60404‑7 .

Additional information

Status	Definitive
Title	Magnetic materials – Methods of measurement of d.c. magnetic properties of magnetically soft materials
Corrects	BS EN 60404-4:1997+A2:2008
Replaces	BS 6404-4:1986
Publisher	BSI
Committee	ISE/108
Pages	28
Publication Date	2014-10-31
ISBN	978 0 580 88185 5
Standard Number	BS EN 60404-4:1997+A2:2008
Identical National Standard Of	IEC 60404-4:1995, EN 60404-4:1997
Descriptors	Bars (materials), Magnetic field measurement, Coils, Circuits, Magnetization, Magnetic flux density, Calibration, Magnetic alloys, Steels, Test equipment, Remanence, Testing conditions, Magnetic materials, Windings, Accuracy, Magnetic field strength, Direct current, Magnetic measurement, Test specimens, Magnetic hysteresis, Magnetic circuits
ICS Codes	29.030 - Magnetic materials