EN 62232-2017 Determination of RF field strength power density and SAR in the vicinity of radiocommunication base stations for the purpose of evaluating human e.pdf

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1、BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06Determination of RF field strength, power density and SAR in the vicinity of radiocommunication base stations for the purpose of evaluating human exposure (IEC 62232:2017)BS EN 62232:2017EUROPEAN STANDARD NORME EUROPENN

2、E EUROPISCHE NORM EN 62232 December 2017 ICS 13.280; 17.240 Supersedes EN 50383:2010, EN 50400:2006, EN 50492:2008 English Version Determination of RF field strength, power density and SAR in the vicinity of radiocommunication base stations for the purpose of evaluating human exposure (IEC 62232:201

3、7) Dtermination des champs de radiofrquences, densit de puissance et du DAS aux environs des stations de base utilises pour les communications radio dans le but dvaluer lexposition humaine (IEC 62232:2017) Bestimmung der HF-Feldstrke, der Leistungsdichte und der spezifischen Absorptionsrate (SAR) in

4、 der Nachbarschaft von Funkkommunikations-Basisstationen zur Ermittlung der menschlichen Exposition (IEC 62232:2017) This European Standard was approved by CENELEC on 2017-09-27. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving t

5、his European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three offi

6、cial versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotech

7、nical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania,

8、Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23, B-1040

9、Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62232:2017 E National forewordThis British Standard is the UK implementation of EN 62232:2017. It is identical to IEC 62232:2017. It supersedes BS EN 50383:2010, BS EN 50

10、400:2006+A1:2012, BS IEC 62232:2011 and BS EN 50492:2008+A1:2014, which are withdrawn.The UK participation in its preparation was entrusted to Technical Committee GEL/106, Human exposure to low frequency and high frequency electromagnetic radiation.A list of organizations represented on this committ

11、ee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2018 Published by BSI Standards Limited 2018ISBN 978 0 580 86355 4ICS 17.240; 3

12、3.070.01; 13.280Compliance with a British Standard cannot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2018.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDB

13、S EN 62232:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62232 December 2017 ICS 13.280; 17.240 Supersedes EN 50383:2010, EN 50400:2006, EN 50492:2008 English Version Determination of RF field strength, power density and SAR in the vicinity of radiocommunication base stations for the purp

14、ose of evaluating human exposure (IEC 62232:2017) Dtermination des champs de radiofrquences, densit de puissance et du DAS aux environs des stations de base utilises pour les communications radio dans le but dvaluer lexposition humaine (IEC 62232:2017) Bestimmung der HF-Feldstrke, der Leistungsdicht

15、e und der spezifischen Absorptionsrate (SAR) in der Nachbarschaft von Funkkommunikations-Basisstationen zur Ermittlung der menschlichen Exposition (IEC 62232:2017) This European Standard was approved by CENELEC on 2017-09-27. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulati

16、ons which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC memb

17、er. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official version

18、s. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the N

19、etherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC M

20、anagement Centre: Rue de la Science 23, B-1040 Brussels 2017 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62232:2017 E BS EN 62232:2017EN 62232:2017 2 European foreword The text of document 106/397/FDIS, future edition 2 of IEC 6

21、2232, prepared by IEC/TC 106 “Methods for the assessment of electric, magnetic and electromagnetic fields associated with human exposure“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 62232:2017. The following dates are fixed: latest date by which the document has to b

22、e implemented at national level by publication of an identical national standard or by endorsement (dop) 2018-06-27 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2020-09-27 This document supersedes EN 50400:2006 + AC:2011 + A1:2012, EN 50383:201

23、0 + AC:2013 and EN 50492:2008 + A1:2014. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights. Endorsement notice The text of the International Standar

24、d IEC 62232:2017 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: ISO/IEC 17025 NOTE Harmonized as EN ISO/IEC 17025. CISPR 16-4-2 NOTE Harmonized as EN 55016-4-2. BS E

25、N 62232:2017EN 62232:2017 3 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated

26、references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date

27、 information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 62209-1 - Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices - Human models, instrumentatio

28、n, and procedures - Part 1: Procedure to determine the specific absorption rate (SAR) for hand-held devices used in close proximity to the ear (frequency range of 300 MHz to 3 GHz) EN 62209-1 - IEC 62209-2 - Human exposure to radio frequency fields from hand-held and body-mounted wireless communicat

29、ion devices - Human models, instrumentation, and procedures - Part 2: Procedure to determine the specific absorption rate (SAR) for wireless communication devices used in close proximity to the human body (frequency range of 30 MHz to 6 GHz) EN 62209-2 - IEC 62479 - Assessment of the compliance of l

30、ow power electronic and electrical equipment with the basic restrictions related to human exposure to electromagnetic fields (10 MHz to 300 GHz) EN 62479 - IEC 62311 - Assessment of electronic and electrical equipment related to human exposure restrictions for electromagnetic fields (0 Hz - 300 GHz)

31、 EN 62311 - BS EN 62232:2017This page deliberately left blank 2 IEC 62232:2017 IEC 2017 CONTENTS FOREWORD . 12 INTRODUCTION . 14 1 Scope 15 2 Normative references 15 3 Terms and definitions 16 4 Symbols and abbreviated terms . 22 4.1 Physical quantities 22 4.2 Constants . 23 4.3 Abbreviated terms .

32、23 5 Quick start guide and how to use this document 24 5.1 Overview. 24 5.2 Quick start guide . 24 5.3 How to use this document . 26 5.4 Worked case studies . 27 6 Evaluation processes for product compliance, product installation compliance and in-situ RF exposure assessments 27 6.1 Evaluation proce

33、ss for product compliance . 27 6.1.1 General . 27 6.1.2 Establishing compliance boundaries 27 6.1.3 Iso-surface compliance boundary definition . 28 6.1.4 Simple compliance boundaries 28 6.1.5 Methods for establishing the compliance boundary 30 6.1.6 Uncertainty 32 6.1.7 Reporting . 32 6.2 Evaluation

34、 process used for product installation compliance . 33 6.2.1 General . 33 6.2.2 General evaluation procedure for product installations . 33 6.2.3 Product installation data collection . 34 6.2.4 Simplified product installation evaluation process 35 6.2.5 Assessment area selection 37 6.2.6 Measurement

35、s . 39 6.2.7 Computations 40 6.2.8 Uncertainty 41 6.2.9 Reporting . 41 6.3 Evaluation processes for in-situ RF exposure assessment 42 6.3.1 General requirements, source determination and site analysis . 42 6.3.2 Measurement procedures 44 6.3.3 Uncertainty 45 6.3.4 Reporting . 45 6.4 Averaging proced

36、ures . 46 6.4.1 Spatial averaging . 46 6.4.2 Time averaging 46 7 Determining the evaluation method 46 7.1 Overview. 46 7.2 Process to determine the evaluation method . 46 7.2.1 General . 46 2 IEC 62232:2017 IEC 2017 CONTENTS FOREWORD . 12 INTRODUCTION . 14 1 Scope 15 2 Normative references 15 3 Term

37、s and definitions 16 4 Symbols and abbreviated terms . 22 4.1 Physical quantities 22 4.2 Constants . 23 4.3 Abbreviated terms . 23 5 Quick start guide and how to use this document 24 5.1 Overview. 24 5.2 Quick start guide . 24 5.3 How to use this document . 26 5.4 Worked case studies . 27 6 Evaluati

38、on processes for product compliance, product installation compliance and in-situ RF exposure assessments 27 6.1 Evaluation process for product compliance . 27 6.1.1 General . 27 6.1.2 Establishing compliance boundaries 27 6.1.3 Iso-surface compliance boundary definition . 28 6.1.4 Simple compliance

39、boundaries 28 6.1.5 Methods for establishing the compliance boundary 30 6.1.6 Uncertainty 32 6.1.7 Reporting . 32 6.2 Evaluation process used for product installation compliance . 33 6.2.1 General . 33 6.2.2 General evaluation procedure for product installations . 33 6.2.3 Product installation data

40、collection . 34 6.2.4 Simplified product installation evaluation process 35 6.2.5 Assessment area selection 37 6.2.6 Measurements . 39 6.2.7 Computations 40 6.2.8 Uncertainty 41 6.2.9 Reporting . 41 6.3 Evaluation processes for in-situ RF exposure assessment 42 6.3.1 General requirements, source det

41、ermination and site analysis . 42 6.3.2 Measurement procedures 44 6.3.3 Uncertainty 45 6.3.4 Reporting . 45 6.4 Averaging procedures . 46 6.4.1 Spatial averaging . 46 6.4.2 Time averaging 46 7 Determining the evaluation method 46 7.1 Overview. 46 7.2 Process to determine the evaluation method . 46 7

42、.2.1 General . 46 BS EN 62232:2017IEC 62232:2017 IEC 2017 3 7.2.2 Establishing the evaluation points in relation to the source-environment plane . 47 7.2.3 Exposure metric selection 49 8 Evaluation methods . 49 8.1 Overview. 49 8.2 Measurement methods 50 8.2.1 General . 50 8.2.2 RF field strength me

43、asurements 50 8.2.3 SAR measurements 51 8.3 Computation methods . 52 9 Uncertainty 53 10 Reporting. 54 10.1 General requirements . 54 10.2 Report format 54 10.3 Opinions and interpretations . 55 Annex A (informative) Source environment plane and guidance on the evaluation method selection . 56 A.1 G

44、uidance on the source-environment plane 56 A.1.1 General . 56 A.1.2 Source-environment plane example . 56 A.1.3 Source regions 57 A.2 Select between computation or measurement approaches 63 A.3 Select measurement method . 64 A.3.1 Selection stages 64 A.3.2 Selecting between field strength and SAR me

45、asurement approaches . 64 A.3.3 Selecting between broadband and frequency-selective measurement 65 A.3.4 Selecting RF field strength measurement procedures 66 A.4 Select computation method . 66 A.5 Additional considerations 68 A.5.1 Simplicity . 68 A.5.2 Evaluation method ranking 68 A.5.3 Applying m

46、ultiple methods for RF exposure evaluation 68 Annex B (normative) Evaluation methods . 69 B.1 Overview. 69 B.2 Evaluation parameters 69 B.2.1 Overview . 69 B.2.2 Coordinate systems . 69 B.2.3 Reference points . 70 B.2.4 Variables . 70 B.3 Measurement methods 73 B.3.1 RF field strength measurements 7

47、3 B.3.2 SAR measurements 104 B.4 Computation methods . 114 B.4.1 Overview and general requirements . 114 B.4.2 Formulas . 115 B.4.3 Basic algorithms 123 B.4.4 Advanced computation methods 129 B.5 Extrapolation from the evaluated SAR / RF field strength to the required assessment condition 150 BS EN

48、62232:2017 4 IEC 62232:2017 IEC 2017 B.5.1 Extrapolation method . 150 B.5.2 Extrapolation to maximum RF field strength using broadband measurements . 151 B.5.3 Extrapolation to maximum RF field strength for frequency and code selective measurements 151 B.5.4 Influence of traffic in real operating ne

49、twork 152 B.6 Summation of multiple RF fields 152 B.6.1 Applicability . 152 B.6.2 Uncorrelated fields 153 B.6.3 Correlated fields 153 B.6.4 Ambient fields 153 Annex C (informative) Rationale supporting simplified product installation criteria 154 C.1 General . 154 C.2 Class E2 . 154 C.3 Class E10 . 155 C.4 Class E100 . 155 C.5 Class E+ . 157 Annex D (informative) Guidance on comparing evaluated parameters with a limit value. 159 D.1 Overview. 159 D.2 Information required to compare evaluated value against limit value . 159