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  • BSI
    BS EN 60404-15:2012+A1:2017 Magnetic materials - Methods for the determination of the relative magnetic permeability of feebly magnetic materials
    Edition: 2017
    $435.35
    / user per year

Description of BS EN 60404-15:2012+A1:2017 2017

This part of IEC 60404 specifies a solenoid method, a magnetic moment method, a magnetic balance method and a permeability meter method for the determination of the relative magnetic permeability of feebly magnetic materials (including austenitic stainless steel). The magnetic balance and permeability meter methods are both comparison methods calibrated using reference materials to determine the value of the relative magnetic permeability of the test specimen. The relative magnetic permeability range for each of these methods is shown in Table 1. The methods given are for applied magnetic field strengths of between 5 kA/m and 100 kA/m.

Table 1
Relative magnetic permeability ranges for the methods described
Measurement method Relative magnetic permeability range
Solenoid 1,003 to 2
Magnetic moment 1,003 to 1,2
Magnetic balance 1,003 to 5
Permeability meter 1,003 to 2
NOTE 1

The relative magnetic permeability range given for the magnetic balance method covers the inserts provided with a typical instrument. These can only be assessed at values for which calibrated reference materials exist.

NOTE 2

For a relative magnetic permeability larger than 2, a reference material cannot be calibrated using this written standard. A note of this is given in the test report explaining that the values measured using the magnetic balance are for indication only.

The solenoid method is the reference method. The magnetic moment method described is used mainly for the measurement of the relative magnetic permeability of mass standards.

Two comparator methods used by industry are described. These can be calibrated using reference materials for which the relative magnetic permeability has been determined using the reference method. When suitable, the magnetic moment method can also be used. The dimensions of the reference material need to be given careful consideration when determining the uncertainty in the calibration value due to self-demagnetization effects. See Annex A for more information on correcting for self-demagnetization.



Standard NumberBS EN 60404-15:2012+A1:2017
TitleMagnetic materials - Methods for the determination of the relative magnetic permeability of feebly magnetic materials
StatusUnder Review
Publication Date2017-03-31
ReplacesBS 5884:1999
Identical National Standard OfIEC 60404-15:2012, IEC 60404-15:2012/AMD1:2016, EN 60404-15:2012/A1:2017
AmendsBS EN 60404-15:2012
DescriptorsSteels, Test equipment, Non-magnetic alloys, Magnetic measurement, Magnetic field measurement, Errors, Magnetic properties of materials, Austenitic steels, Equations, Specimen preparation, Bibliography, Control samples, Comparative tests, Circuits, Magnetic materials, Test specimens, Stainless steels, Testing conditions, Magnetic permeability
ICS29.030 Magnetic materials, 17.220.01 Electricity. Magnetism. General aspects
CommitteeISE/108
ISBN978 0 580 87088 0
PublisherBSI
Pages28

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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