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IEC 60404-7 Ed. 2.0 b:2019

Magnetic materials - Part 7: Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit

standard by International Electrotechnical Commission , 01/16/2019

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IEC 60404-7:2019 specifies a method of measurement of the coercivity of magnetic materials in an open magnetic circuit. This document is applicable to all magnetic materials with coercivities from 0,2 A/m to 160 kA/m.
This edition includes the following significant technical changes with respect to the previous edition:
  1. Clause 1: The scope includes a more detailed description of the magnetic materials which applies to this standard;
  2. Clause 4: Figure 2 circuit diagram for methods A and B was simplified and the fluxgate probes inside the solenoid have been added;
  3. Clause 7: Compensation for the earth's magnetic field and for static and dynamic magnetic noise fields has been added;
  4. Clause 8: Magnetic shielding of the measuring region has been added;
  5. 9.2.2: The measuring methods for local and integral measurement of the flux in the test specimen have been separated and the limitations in size and shape of the test specimen have been considered.
  6. 9:3: The method C with a VSM (Vibrating Sample Magnetometer) has been moved from 9.3 to the Annex B.
  7. The term "complex shaped test specimen" has been replaced in several clauses by "test specimen different from ellipsoids".
  8. The character of Annex A has been changed from informative to normative.
 

Product Details

Edition:
2.0
Published:
01/16/2019
Number of Pages:
34
File Size:
1 file , 1.7 MB
Note:
This product is unavailable in Ukraine, Russia, Belarus, Canada
 

Document History

  1. IEC 60404-7 Ed. 2.0 b:2019

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    Magnetic materials - Part 7: Method of measurement of the coercivity (up to 160 kA/m) of magnetic materials in an open magnetic circuit

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  2. IEC 60404-7 Ed. 1.0 b:1982


    Magnetic materials. Part 7: Method of measurement of the coercivity of magnetic materials in an open magnetic circuit

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