Magnetic materials - Part 14: Methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method

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English - French, Spanish, Castilian

Published date

27-06-2002

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International Electrotechnical Committee

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 General principle of measurement
5 Test specimen
6 Detection coil
7 Magnetic flux integrator
8 Measurement of the magnetic dipole moment of magnetized
   material
   8.1 Correction of integrator readings for loading effects
        with no integrator calibration
   8.2 Circuit configuration for measurement when the
        integrator is calibrated using a mutual inductor
   8.3 Calibration of the measuring device for the magnetic
        dipole moment by means of a calibrated permanent
        magnet sample
   8.4 Withdrawal method
   8.5 Rotation method
9 Determination of the saturation value of the magnetic
   dipole moment
10 Determination of the magnetic polarization J
11 Determination of the specific saturation magnetic
   polarization Sigma[s]
12 Calibration of the measuring device for the saturation
   value of the magnetic dipole moment
13 Uncertainty of measurement
14 Test report
Annex A (informative) Measurement of the specific saturation
        magnetic polarization of test specimen longer than the
        homogenous area of the Helmholtz coil
Annex B (informative) Measurement of ferromagnetic specimens
        with high saturation magnetic field, e.g. a hardmetal
        specimen with high cobalt content
Annex C (informative) Measurement of a test specimen with a
        small mass, e.g. a hardmetal specimen of a cobalt
        content less than 50 mg
Figures

Applicable to all ferromagnetic materials. It is particularly aimed at the measurement of the magnetic dipole moment of permanent magnet (magnetically hard) materials and the measurement of the specific saturation magnetic polarization of cemented carbide materials having a ferromagnetic binder. To describe the general principles of the determination of the magnetic dipole moment of a ferromagnetic material specimen using a detection coil in an open magnetic circuit. By including a means of magnetizing the material to saturation, the saturation magnetic dipole moment can also be determined. In addition, the average magnetic polarization of a test specimen can be derived from the measurement of its magnetic dipole moment and volume. The calibration of magnetic moment coil systems and the measurement of the magnetic dipole moment of feebly magnetic materials can also be determined using this method.Measurements are normally performed at room temperature but measurements at other temperatures can be conducted by heating or cooling the volume occupied by the test specimen within the detection coil.The measurement of remanence, coercivity, maximum energy product and other parameters can be made in a closed magnetic circuit as described in IEC 60404-4 and IEC 60404-5. Measurement of the coercivity HcJ of soft and semi-hard materials can also be performed in an open circuit as described in IEC 60404-7.

Committee	TC 68
DevelopmentNote	Stability Date: 2020. (09/2017)
DocumentType	Standard
Pages	27
PublisherName	International Electrotechnical Committee
Status	Current

Standards	Relationship
NF EN 60404-14 : 2003	Identical
NEN EN IEC 60404-14 : 2002	Identical
CEI EN 60404-14 : 2004	Identical
BS EN 60404-14:2002	Identical
EN 60404-14:2002	Identical
UNE-EN 60404-14:2004	Identical
PN EN 60404-14 : 2005	Identical
I.S. EN 60404-14:2002	Identical
DIN EN 60404-14:2003-02	Identical

BS EN 50131-2-7-3 : 2012	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-7-3: INTRUSION DETECTORS - GLASS BREAK DETECTORS (ACTIVE)
BS EN 50131-2-4:2008	Alarm systems. Intrusion and hold-up systems Requirements for combined passive infrared and microwave detectors
16/30349685 DC : 0	BS EN 50131-2-2 - ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-2: INTRUSION DETECTORS - PASSIVE INFRARED DETECTORS
BS EN 50131-2-6:2008	Alarm systems. Intrusion and hold-up systems Opening contacts (magnetic)
BS EN 50131-2-2:2017	Alarm systems. Intrusion and hold-up systems Intrusion detectors. Passive infrared detectors
I.S. EN 50131-2-2:2017	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-2: INTRUSION DETECTORS - PASSIVE INFRARED DETECTORS
PD CLC/TS 50131-2-9:2016	Alarm systems. Intrusion and hold-up systems Intrusion detectors. Active infrared beam detectors
BS EN 50131-2-7-2 : 2012	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-7-2: INTRUSION DETECTORS - GLASS BREAK DETECTORS (PASSIVE)
BS EN 50131-2-5:2008	Alarm systems. Intrusion and hold-up systems Requirements for combined passive infrared and ultrasonic detectors
PD CLC/TS 50131-2-10:2014	Alarm systems. Intrusion and hold-up systems Intrusion detectors. Lock state contacts (magnetic)
I.S. EN 50131-2-7-1:2012	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-7-1: INTRUSION DETECTORS - GLASS BREAK DETECTORS (ACOUSTIC)
PD CLC/TS 50131-11:2012	Alarm systems. Intrusion and hold-up systems Hold-up devices
IEC 62642-2-71:2015	Alarm systems - Intrusion and hold-up systems - Part 2-71: Intrusion detectors - Glass break detectors (acoustic)
I.S. EN 50131-2-7-3:2012	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-7-3: INTRUSION DETECTORS - GLASS BREAK DETECTORS (ACTIVE)
IEC TR 62331:2005	Pulsed field magnetometry
EN 50131-2-4:2008	Alarm systems - Intrusion and hold-up systems - Part 2-4: Requirements for combined passive infrared and microwave detectors
PD IEC/TR 62331:2005	Pulsed field magnetometry
I.S. EN 50131-2-7-2:2012	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-7-2: INTRUSION DETECTORS - GLASS BREAK DETECTORS (PASSIVE)
EN 50131-2-2:2017	Alarm systems - Intrusion and hold-up systems - Part 2-2: Intrusion detectors - Passive infrared detectors
S.R. CLC/TS 50131-2-9:2016	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-9: INTRUSION DETECTORS - ACTIVE INFRARED BEAM DETECTORS
IEC 62642-2-72:2015	Alarm systems - Intrusion and hold-up systems - Part 2-72: Intrusion detectors - Glass break detectors (passive)
S.R. CLC/TS 50131-2-10:2014	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-10: INTRUSION DETECTORS - LOCK STATE CONTACTS (MAGNETIC)
BS EN 50131-2-3:2008	Alarm systems. Intrusion and hold-up systems Requirements for microwave detectors
CEI CLC/TS 50131-2-9 : 1ED 2017	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-9: INTRUSION DETECTORS - ACTIVE INFRARED BEAM DETECTORS
PD CLC/TS 50131-2-8:2012	Alarm systems. Intrusion and hold-up systems Intrusion detectors. Shock detectors
CLC/TS 50131-2-8:2012	Alarm systems - Intrusion and hold-up systems - Part 2-8: Intrusion detectors - Shock detectors
I.S. EN 50131-2-7- 3:2012&A1:2013&IS1:2014&A2:2016	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-7-3: INTRUSION DETECTORS - GLASS BREAK DETECTORS (ACTIVE)
IEC 62642-2-73:2015	Alarm systems - Intrusion and hold-up systems - Part 2-73: Intrusion detectors - Glass break detectors (active)
UNE-EN 50131-2-7-2:2013	Alarm systems - Intrusion and hold-up systems - Part 2-7-2: Intrusion detectors - Glass break detectors (passive)
UNE-EN 50131-2-7-3:2013	Alarm systems - Intrusion and hold-up systems - Part 2-7-3: Intrusion detectors - Glass break detectors (active)
CLC/TS 50131-2-10:2014	Alarm systems - Intrusion and hold-up systems - Part 2-10: Intrusion detectors - Lock state contacts (magnetic)
PREN 50131-2-2 : DRAFT 2016	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-2: INTRUSION DETECTORS - PASSIVE INFRARED DETECTORS
CEI CLC/TS 50131-11 : 2013	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 11: HOLD-UP DEVICES
BS EN 50131-2-7-1 : 2012	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-7-1: INTRUSION DETECTORS - GLASS BREAK DETECTORS (PASSIVE)
S.R. CLC/TS 50131-11:2012	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 11: HOLD-UP DEVICES
CLC/TS 50131-11:2012	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 11: HOLD-UP DEVICES
EN 50131-2-7-3:2012/A2:2016	Alarm systems - Intrusion and hold-up systems - Part 2-7-3: Intrusion detectors - Glass break detectors (active)
EN 50131-2-6:2008	Alarm systems - Intrusion and hold-up systems - Part 2-6: Opening contacts (magnetic)
EN 50131-2-7-2 : 2012 AMD 2 2016	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-7-2: INTRUSION DETECTORS - GLASS BREAK DETECTORS (PASSIVE)
EN 50131-2-3:2008	Alarm systems - Intrusion and hold-up systems - Part 2-3: Requirements for microwave detectors
EN 50131-2-5:2008	Alarm systems - Intrusion and hold-up systems - Part 2-5: Requirements for combined passive infrared and ultrasonic detectors
EN 50131-2-7-1:2012/A2:2016	ALARM SYSTEMS - INTRUSION AND HOLD-UP SYSTEMS - PART 2-7-1: INTRUSION DETECTORS - GLASS BREAK DETECTORS (ACOUSTIC)

IEC 60404-4:1995+AMD1:2000+AMD2:2008 CSV	Magnetic materials - Part 4: Methods of measurement of d.c. magnetic properties of magnetically soft materials
IEC 60050-151:2001	International Electrotechnical Vocabulary (IEV) - Part 151: Electrical and magnetic devices
IEC 60050-221:1990	International Electrotechnical Vocabulary (IEV) - Part 221: Magnetic materials and components
IEC 60404-5:2015 RLV	Magnetic materials - Part 5: Permanent magnet (magnetically hard) materials - Methods of measurement of magnetic properties
IEC 60050-121:1998	International Electrotechnical Vocabulary (IEV) - Part 121: Electromagnetism
IEC 60404-7:1982	Magnetic materials. Part 7: Method of measurement of the coercivity of magnetic materials in an open magnetic circuit

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IEC 60404-14:2002

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