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BS EN 60404-4 : 1997

Current
Current

The latest, up-to-date edition.

MAGNETIC MATERIALS - PART 4: METHODS OF MEASUREMENT OF D.C. MAGNETIC PROPERTIES OF MAGNETICALLY SOFT MATERIALS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1997

Foreword
1 Scope and object
2 Normative references
3 Determination of the magnetic characteristics by
  the ring method
  3.1 Object
  3.2 General
  3.3 Effect of temperature on the measurements
  3.4 Test specimen
  3.5 Windings
  3.6 Methods of measurement by the ring method
      3.6.1 Magnetic field strength
      3.6.2 Magnetic flux density
      3.6.3 Connection of apparatus
      3.6.4 Determination of normal magnetization
            curve
      3.6.5 Determination of a complete hysteresis
            loop
      3.6.6 Determination of remanent flux density
      3.6.7 Determination of coercive field strength
  3.7 Uncertainty by the ring method
4 Determination of the magnetic characteristics by the
  permeameter method
  4.1 Object
  4.2 Principle of the permeameter
  4.3 Test specimen
  4.4 Methods of measurement by the permeameter
      method
      4.4.1 Measurement of magnetic field strength
      4.4.2 Measurement of magnetic flux density
      4.4.3 Connection of apparatus
      4.4.4 Determination of the normal magnetization
            curve
      4.4.5 Determination of a complete hysteresis
            loop
      4.4.6 Determination of remanent flux density
      4.4.7 Determination of coercive field strength
  4.5 Uncertainty by the permeameter method
5 Test report
Annex A (normative) - Calibration of search coils
Annex B (informative) - Methods of calibrating the flux
        integrator
Annex C (informative) - Requirements for the J-compensated
        coil system
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

Describes 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.

Committee
ISE/108
DevelopmentNote
Supersedes BS 6404-4(1986), 94/341430 DC and 98/717235 DC (12/2002) 1997 Edition Re-Issued in June 2009 & incorporates AMD 2 2008. (06/2009)
DocumentType
Standard
Pages
28
PublisherName
British Standards Institution
Status
Current
Supersedes

IEC 60404-8-3:2005 Magnetic materials - Part 8-3: Specifications for individual materials - Cold-rolled electrical non-alloyed and alloyed steel sheet and strip delivered in the semi-processed state
IEC 60404-8-8:2017 Magnetic materials - Part 8-8: Specifications for individual materials - Thin electrical steel strip and sheet for use at medium frequencies
IEC 60404-8-4:2013 Magnetic materials - Part 8-4: Specifications for individual materials - Cold-rolled non-oriented electrical steel strip and sheet delivered in the fully-processed state
IEC 60404-8-6:2016 Magnetic materials - Part 8-6: Specifications for individual materials - Soft magnetic metallic materials
IEC 60404-8-7:2017 Magnetic materials - Part 8-7: Specifications for individual materials - Cold-rolled grain-oriented electrical steel strip and sheet delivered in the fully processed state
IEC 60404-8-2:1998 Magnetic materials - Part 8-2: Specifications for individual materials - Cold-rolled electrical alloyed steel sheet and strip delivered in the semi-processed state
IEC 60404-7:1982 Magnetic materials. Part 7: Method of measurement of the coercivity of magnetic materials in an open magnetic circuit

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