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About This Item
Full Description
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.
Cross References:
IEC 60050
ISO/IEC Guide 98-3:2008
GUM:1995
OIML R111-1:2004
EN 12163
EN 10088-1
Incorporates the following:
Amendment, March 2017. Amends and replaces BS EN 60404-15:2012
Document History
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BS EN 60404-15:2012+A1:2017
viewing
Magnetic materials-Methods for the determination of the relative magnetic permeability of feebly magnetic materials- Most Recent
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BS EN 60404-15:2012
Magnetic materials. Methods for the determination of the relative magnetic permeability of feebly magnetic materials- Historical Version
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BS 11/30217430 DC
BS EN 60404-15. Magnetic materials. Part 15. Methods for the determination of the relative magnetic permeability of feebly magnetic materials- Historical Version
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BS 5884:1999
Magnetic materials. Methods for the determination of the relative magnetic permeability of feebly magnetic materials- Historical Version
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BS 5884:1987
Methods for determination of relative magnetic permeability of feebly magnetic materials- Historical Version
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BS 5884:1980
Methods of test for determination of d.c. magnetic properties of magnetic materials- Historical Version