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I.S. EN 60404-4:1998

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

01-01-1998

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

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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 a 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

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.

DevelopmentNote
For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
DocumentType
Standard
Pages
88
PublisherName
National Standards Authority of Ireland
Status
Current

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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