Table of Contents

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

Abstract

Describes the methods of measuring the d.c. magnetic properties of magnetically soft materials in a closed magnetic circuit using either the ring or the permeameter methods.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	International Electrotechnical Committee
Pages
ISBN
Committee	TC 68