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  • BSI
    BS EN 60404-2:1998+A1:2008 Magnetic materials - Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame
    Edition: 2018
    $435.35
    / user per year

Description of BS EN 60404-2:1998+A1:2008 2018

This part of IEC 60404 is applicable to grain oriented and non-oriented electrical sheet and strip for a.c. measurements of magnetic properties at frequencies up to 400 Hz and for d.c. magnetic measurements.

The object of this part is to define the general principles and the technical details of the measurement of the magnetic properties of electrical steel sheet and strip by means of an Epstein frame.

The Epstein frame is applicable to test specimens obtained from electrical steel sheets and strips of any grade. The a.c. magnetic characteristics are determined for sinusoidal induced voltages, for specified peak values of magnetic polarization and for a specified frequency.

The measurements are to be made at an ambient temperature of (23 ± 5) °C on test specimens which have first been demagnetized.

Measurements at higher frequencies are to be made in accordance with IEC 60404‑10.

NOTE Throughout this standard the term "magnetic polarization" is used as defined in IEC 60050(221). In some standards of the IEC 60404 series, the term "magnetic flux density" was used.



Standard NumberBS EN 60404-2:1998+A1:2008
TitleMagnetic materials - Methods of measurement of the magnetic properties of electrical steel strip and sheet by means of an Epstein frame
StatusDefinitive
Publication Date2018-10-24
ReplacesBS 6404-2:1985
Identical National Standard OfEN 60404-2:1998/A1:2008/AC:2018-08, IEC 60404-2:1996/AMD1:2008/COR1:2018, IEC 60404-2:1996/AMD1:2008/COR1:2018
CorrectsBS EN 60404-2:1998+A1:2008
DescriptorsSteels, Magnetic permeability, Test equipment, Precision, Sheet materials, Accuracy, Bridges (electric), Magnetic flux density, Magnetic field measurement, Mathematical calculations, Reproducibility, Magnetic field strength, Magnetic measurement, Electrical resistivity, Test specimens, Magnetic materials, Electrical measurement, Magnetic alloys, Density measurement, Dimensions, Strips, Magnetic circuits, Magnetic properties of materials, Power measurement (electric), Power losses, Circuits
ICS17.220.20 Measurement of electrical and magnetic quantities, 29.030 Magnetic materials
CommitteeISE/108
ISBN978 0 539 00636 0
PublisherBSI
Pages30

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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