Human exposure to radio frequency fields from hand-held and body-mounted wireless communication devices human models, instrumentation, and procedures - Part 1: Procedure to determine the specific absorption rate (sar) for devices used next to the ear (frequency range of 300 mhz to 6 ghz)

This part of IEC 62209 specifies protocols and test procedures for measurement of the peak
spatial-average SAR induced inside a simplified model of the head with defined reproducibility.
It applies to certain electromagnetic field (EMF) transmitting devices that are positioned next
to the ear, where the radiating structures of the device are in close proximity to the human
head, such as mobile phones, cordless phones, certain headsets, etc. These protocols and
test procedures provide a conservative estimate with limited uncertainty for the peak-spatial
SAR that would occur in the head for a significant majority of people during normal use of these
devices. The applicable frequency range is from 300 MHz to 6 GHz.

/

Exposition humaine aux champs radiofréquence produits par les dispositifs de communications sans fils tenus à la main ou portés près du corps modèles de corps humain, instrumentation et procédures - Partie 1: Détermination du débit d’absorption spécifique (das) pour les dispositifs utilisés à proximité de l’oreille (gamme de fréquences de 300 mhz à 6 ghz)

L'IEC 62209-1:2016 spécifie les protocoles et les procédures d'essai pour le mesurage du DAS maximal moyenné induit à l'intérieur d'un modèle simplifié de la tête avec une reproductibilité définie. Elle s'applique à certains dispositifs de communication tels que les téléphones mobiles, les téléphones sans fil, les casques, etc., émettant des champs électromagnétiques (EMF) et qui sont utilisés tenus contre l'oreille, les structures rayonnantes étant proches de la tête. Ces protocoles et procédures d'essai fournissent une estimation prudente avec une incertitude limitée pour le DAS maximal qui se produirait dans la tête pour une grande majorité de personnes lors de l'utilisation normale de ces dispositifs. La plage de fréquences applicable s'étend de 300 MHz à 6 GHz. Cette deuxième édition annule et remplace la première édition parue en 2005. Cette édition constitue une révision technique.

Izpostavljenost ljudi elektromagnetnemu sevanju brezžičnih komunikacijskih naprav, ki se držijo v roki ali pritrdijo na telo, modeli človeka, instrumenti in postopki - 1. del: Postopki za ugotavljanje stopnje specifične absorpcije (SAR) za naprave, ki se uporabljajo v bližini ušesa (frekvenčno območje od 300 MHz do 6 GHz)

Ta del standarda IEC 62209 določa protokole in preskusne postopke za merjenje najvišje prostorsko-povprečne stopnje specifične absorpcije znotraj poenostavljenega modela glave z določeno ponovljivostjo. Uporablja se za nekatere prenosne naprave z elektromagnetnim poljem (EMF), ki so nameščene ob ušesu, pri čemer so sevajoči deli naprave v neposredni bližini uporabnikove glave, kot so mobilni telefoni, brezžični telefoni, nekateri tipi slušalk, itd. Ti protokoli in preskusni postopki zagotavljajo previdno oceno z omejeno negotovostjo glede najvišje prostorske stopnje specifične absorpcije, do katere bi prišlo v glavi za veliko večino uporabnikov naprave med običajno uporabo te naprave. Uporablja se frekvenčni razpon od 300 MHz do 6 GHz.

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Publication Date
20-Mar-2017
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SLOVENSKI STANDARD
SIST EN 62209-1:2017
01-april-2017
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SIST EN 62209-1:2006
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Human exposure to radio frequency fields from hand-held and body-mounted wireless

communication devices human models, instrumentation, and procedures - Part 1:

Procedure to determine the specific absorption rate (sar) for devices used next to the ear

(frequency range of 300 mhz to 6 ghz)
Exposition humaine aux champs radiofréquence produits par les dispositifs de

communications sans fils tenus à la main ou portés près du corps modèles de corps

humain, instrumentation et procédures - Partie 1: Détermination du débit d’absorption

spécifique (das) pour les dispositifs utilisés à proximité de l’oreille (gamme de fréquences

de 300 mhz à 6 ghz)
Ta slovenski standard je istoveten z: EN 62209-1:2016
ICS:
13.280 Varstvo pred sevanjem Radiation protection
33.050.10 Telefonska oprema Telephone equipment
SIST EN 62209-1:2017 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 62209-1:2017
---------------------- Page: 2 ----------------------
SIST EN 62209-1:2017
EUROPEAN STANDARD EN 62209-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2016
ICS 33.060.20 Supersedes EN 62209-1:2006
English Version
Measurement procedure for the assessment of specific
absorption rate of human exposure to radio frequency fields from
hand-held and body-mounted wireless communication devices -
Part 1: Devices used next to the ear (Frequency range of 300
MHz to 6 GHz)
(IEC 62209-1:2016)

Procédure de mesure pour l'évaluation du débit Sicherheit von Personen in hochfrequenten Feldern von

d'absorption spécifique de l'exposition humaine aux champs handgehaltenen und am Körper getragenen schnurlosen

radiofréquences produits par les dispositifs de Kommunikationsgeräten - Körpermodelle, Messgeräte und -

communications sans fil tenus à la main ou portés près du verfahren - Teil 1: Verfahren zur Bestimmung der

corps - Partie 1: Dispositifs utilisés à proximité de l'oreille spezifischen Absorptionsrate (SAR) von Geräten, die in

(Plage de fréquences de 300 MHz à 6 GHz) enger Nachbarschaft zum Ohr benutzt werden

(IEC 62209-1:2016) (Frequenzbereich von 300 MHz bis 6 GHz)
(IEC 62209-1:2016)

This European Standard was approved by CENELEC on 2016-08-10. CENELEC members are bound to comply with the CEN/CENELEC

Internal Regulations 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 member.

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 versions.

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 Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels

© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 62209-1:2016 E
---------------------- Page: 3 ----------------------
SIST EN 62209-1:2017
EN 62209-1:2016
European foreword

The text of document 106/361/FDIS, future edition 2 of IEC 62209-1 prepared by IEC/TC 106X

"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 62209-1:2016.
The following dates are fixed:
• latest date by which the document has to be (dop) 2017-05-10
implemented at national level by
publication of an identical national
standard or by endorsement
(dow) 2019-08-10
• latest date by which the national
standards conflicting with the
document have to be withdrawn
This document supersedes EN 62209-1:2006.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such

patent rights.
Endorsement notice

The text of the International Standard IEC 62209-1:2016 was approved by CENELEC as a European

Standard without any modification.
---------------------- Page: 4 ----------------------
SIST EN 62209-1:2017
EN 62209-1:2016
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following documents, in whole or in part, are normatively referenced in this document and are

indispensable for its application. For dated references, only the edition cited applies. For undated

references, the latest edition of the referenced document (including any amendments) applies.

NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.

NOTE 2 Up-to-date 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

ISO/IEC 17025 2005 General requirements for the competence EN ISO/IEC 17025 2005

of testing and calibration laboratories
ISO/IEC 17043 2010 Conformity assessment - General EN ISO/IEC 17043 2010
requirements for proficiency testing
---------------------- Page: 5 ----------------------
SIST EN 62209-1:2017
---------------------- Page: 6 ----------------------
SIST EN 62209-1:2017
IEC 62209-1
Edition 2.0 2016-07
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Measurement procedure for the assessment of specific absorption rate of
human exposure to radio frequency fields from hand-held and body-mounted
wireless communication devices –
Part 1: Devices used next to the ear (Frequency range of 300 MHz to 6 GHz)
Procédure de mesure pour l'évaluation du débit d'absorption spécifique de
l'exposition humaine aux champs radiofréquences produits par les dispositifs
de communications sans fil tenus à la main ou portés près du corps –
Partie 1: Dispositifs utilisés à proximité de l’oreille (Plage de fréquences de
300 MHz à 6 GHz)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.060.20 ISBN 978-2-8322-3500-3

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 7 ----------------------
SIST EN 62209-1:2017
– 2 – IEC 62209-1:2016 © IEC 2016
CONTENTS

FOREWORD....................................................................................................................... 11

INTRODUCTION ................................................................................................................. 13

1 Scope .......................................................................................................................... 14

2 Normative references .................................................................................................. 14

3 Terms and definitions .................................................................................................. 14

4 Symbols and abbreviations .......................................................................................... 19

4.1 Physical quantities .............................................................................................. 19

4.2 Constants ........................................................................................................... 20

4.3 Abbreviations ...................................................................................................... 20

5 Measurement system specifications ............................................................................. 20

5.1 General requirements .......................................................................................... 20

5.2 Phantom specifications (shell and liquid) ............................................................. 22

5.3 Hand and device holder considerations ................................................................ 23

5.4 Scanning system requirements ............................................................................ 23

5.5 Device holder specifications ................................................................................ 23

5.6 Characteristics of the readout electronics ............................................................ 24

6 Protocol for SAR assessment ....................................................................................... 24

6.1 General ............................................................................................................... 24

6.2 Measurement preparation .................................................................................... 24

6.2.1 Preparation of tissue-equivalent liquid and system check .............................. 24

6.2.2 Preparation of the wireless device under test (DUT) ...................................... 25

6.2.3 Operating modes ......................................................................................... 26

6.2.4 Positioning of the DUT in relation to the phantom ......................................... 27

6.2.5 Test frequencies for DUT ............................................................................. 34

6.3 Tests to be performed ......................................................................................... 34

6.4 Measurement procedure ...................................................................................... 36

6.4.1 General ....................................................................................................... 36

6.4.2 General procedure ....................................................................................... 37

6.4.3 SAR measurements of handsets with multiple antennas or multiple

transmitters .................................................................................................. 39

6.5 Post-processing of SAR measurement data ......................................................... 45

6.5.1 Interpolation ................................................................................................. 45

6.5.2 Extrapolation ............................................................................................... 46

6.5.3 Definition of the averaging volume ................................................................ 46

6.5.4 Searching for the maxima ............................................................................. 46

6.6 Fast SAR testing ................................................................................................. 46

6.6.1 General ....................................................................................................... 46

6.6.2 Fast SAR measurement procedure A ............................................................ 47

6.6.3 Fast SAR testing of required frequency bands .............................................. 49

6.6.4 Fast SAR measurement procedure B ............................................................ 50

6.7 SAR test reduction .............................................................................................. 52

6.7.1 General requirements ................................................................................... 52

6.7.2 Test reduction for different operating modes in the same frequency

band using the same wireless technology ..................................................... 53

6.7.3 Test reduction based on characteristics of DUT design ................................. 54

6.7.4 Test reduction based on SAR level analysis .................................................. 55

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SIST EN 62209-1:2017
IEC 62209-1:2016 © IEC 2016 – 3 –
6.7.5 Test reduction based on simultaneous multi-band transmission

considerations ............................................................................................. 57

7 Uncertainty estimation ................................................................................................. 58

7.1 General considerations........................................................................................ 58

7.1.1 Concept of uncertainty estimation ................................................................. 58

7.1.2 Type A and Type B evaluation ...................................................................... 59

7.1.3 Degrees of freedom and coverage factor ...................................................... 59

7.2 Components contributing to uncertainty ............................................................... 60

7.2.1 General ....................................................................................................... 60

7.2.2 Calibration of the SAR probes ...................................................................... 60

7.2.3 Contribution of mechanical constraints ......................................................... 65

7.2.4 Phantom shell .............................................................................................. 66

7.2.5 Device positioning and holder uncertainties .................................................. 67

7.2.6 Tissue-equivalent liquid parameter uncertainty ............................................. 69

7.2.7 Uncertainty in SAR correction for deviations in permittivity and

conductivity .................................................................................................. 72

7.2.8 Measured SAR drift ...................................................................................... 74

7.2.9 RF ambient conditions .................................................................................. 75

7.2.10 Contribution of post-processing .................................................................... 76

7.2.11 SAR scaling uncertainty ............................................................................... 81

7.2.12 Deviation of experimental sources ................................................................ 82

7.2.13 Other uncertainty contributions when using system validation sources .......... 82

7.3 Calculation of the uncertainty budget ................................................................... 83

7.3.1 Combined and expanded uncertainties ......................................................... 83

7.3.2 Maximum expanded uncertainty ................................................................... 83

7.4 Uncertainty of fast SAR methods based on specific measurement

procedures and post-processing techniques ........................................................ 92

7.4.1 General ....................................................................................................... 92

7.4.2 Measurement uncertainty evaluation............................................................. 92

8 Measurement report .................................................................................................. 101

8.1 General ............................................................................................................. 101

8.2 Items to be recorded in the measurement report ................................................ 101

Annex A (normative) Phantom specifications .................................................................... 104

A.1 Rationale for the SAM phantom shape ............................................................... 104

A.2 SAM phantom specifications .............................................................................. 104

A.2.1 General ..................................................................................................... 104

A.2.2 Phantom shell ............................................................................................ 108

A.3 Flat phantom specifications ............................................................................... 110

A.4 Tissue-equivalent liquids ................................................................................... 111

Annex B (normative) Calibration and characterization of dosimetric probes ....................... 113

B.1 Introductory remarks ......................................................................................... 113

B.2 Linearity ............................................................................................................ 114

B.3 Assessment of the sensitivity of the dipole sensors ............................................ 114

B.3.1 General ..................................................................................................... 114

B.3.2 Two-step calibration procedures ................................................................. 114

B.3.3 One step calibration procedures ................................................................. 120

B.3.4 Coaxial calorimeter method ........................................................................ 124

B.4 Isotropy ............................................................................................................ 126

B.4.1 Axial isotropy ............................................................................................. 126

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SIST EN 62209-1:2017
– 4 – IEC 62209-1:2016 © IEC 2016

B.4.2 Hemispherical isotropy ............................................................................... 126

B.5 Lower detection limit ......................................................................................... 131

B.6 Boundary effects ............................................................................................... 131

B.7 Response time .................................................................................................. 131

Annex C (normative) Post-processing techniques ............................................................. 132

C.1 Extrapolation and interpolation schemes ............................................................ 132

C.1.1 Introductory remarks .................................................................................. 132

C.1.2 Interpolation schemes ................................................................................ 132

C.1.3 Extrapolation schemes ............................................................................... 132

C.2 Averaging scheme and maximum finding ........................................................... 132

C.2.1 Volume average schemes .......................................................................... 132

C.2.2 Extrude method of averaging ...................................................................... 132

C.2.3 Maximum peak SAR finding and uncertainty estimation ............................... 133

C.3 Example implementation of parameters for scanning and data evaluation ........... 133

C.3.1 General ..................................................................................................... 133

C.3.2 Area scan measurement requirements .......................................................... 133

C.3.3 Zoom scan ................................................................................................. 133

C.3.4 Extrapolation ............................................................................................. 134

C.3.5 Interpolation ............................................................................................... 134

C.3.6 Integration ................................................................................................. 134

Annex D (normative) SAR measurement system verification ............................................. 135

D.1 Overview .......................................................................................................... 135

D.2 System check .................................................................................................... 135

D.2.1 Purpose ..................................................................................................... 135

D.2.2 Phantom set-up.......................................................................................... 136

D.2.3 System check source ................................................................................. 136

D.2.4 System check source input power measurement ......................................... 137

D.2.5 System check procedure ............................................................................ 138

D.3 System validation .............................................................................................. 139

D.3.1 Purpose ..................................................................................................... 139

D.3.2 Phantom set-up.......................................................................................... 139

D.3.3 System validation sources .......................................................................... 139

D.3.4 Reference dipole input power measurement ............................................... 140

D.3.5 System validation procedure ...................................................................... 140

D.3.6 Numerical target SAR values ...................................................................... 141

D.4 Fast SAR method system validation and system check ...................................... 144

D.4.1 General ..................................................................................................... 144

D.4.2 Fast SAR method system validation............................................................ 144

D.4.3 Fast SAR method system check ................................................................. 145

Annex E (normative) Interlaboratory comparisons ............................................................. 146

E.1 Purpose ............................................................................................................ 146

E.2 Phantom set-up ................................................................................................. 146

E.3 Reference wireless handsets ............................................................................. 146

E.4 Power set-up ..................................................................................................... 146

E.5 Interlaboratory comparison – Procedure ............................................................ 147

Annex F (informative) Definition of a phantom coordinate system and a device under

test coordinate system ...................................................................................................... 148

Annex G (informative) SAR system validation sources ...................................................... 150

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SIST EN 62209-1:2017
IEC 62209-1:2016 © IEC 2016 – 5 –

G.1 Standard dipole source ..................................................................................... 150

G.2 Standard waveguide source .............................................................................. 151

Annex H (informative) Flat phantom ................................................................................. 153

Annex I (informative) Example recipes for phantom head tissue-equivalent liquids ............ 156

I.1 Overview .......................................................................................................... 156

I.2 Ingredients ........................................................................................................ 156

I.3 Tissue-equivalent liquid formulas (permittivity/conductivity) ................................ 157

Annex J (informative) Measurement of the dielectric properties of liquids and

uncertainty estimation ....................................................................................................... 160

J.1 Introductory remarks ......................................................................................... 160

J.2 Measurement techniques ................................................................................... 160

J.2.1 General ..................................................................................................... 160

J.2.2 Instrumentation .......................................................................................... 160

J.2.3 General principles ...................................................................................... 160

J.3 Slotted coaxial transmission line ........................................................................ 161

J.3.1 General ..................................................................................................... 161

J.3.2 Equipment set-up ....................................................................................... 161

J.3.3 Measurement procedure ............................................................................. 161

J.4 Contact coaxial probe ........................................................................................ 162

J.4.1 General ..................................................................................................... 162

J.4.2 Equipment set-up ....................................................................................... 162

J.4.3 Measurement procedure ............................................................................. 164

J.5 TEM transmission line ....................................................................................... 164

J.5.1 General ..................................................................................................... 164

J.5.2 Equipment set-up ....................................................................................... 164

J.5.3 Measurement procedure ............................................................................. 165

J.6 Dielectric properties of reference liquids ............................................................ 166

Annex K (informative) Measurement uncertainty of specific fast SAR methods and

fast SAR examples ........................................................................................................... 169

K.1 General ............................................................................................................. 169

K.2 Measurement uncertainty evaluation .................................................................. 169

K.2.1 General ..................................................................................................... 169

K.2.2 Probe calibration and system calibration drift .............................................. 170

K.2.3 Isotropy ..................................................................................................... 170

K.2.4 Sensor positioning uncertainty .................................................................... 171

K.2.5 Sensor location sensitivity .......................................................................... 171

K.2.6 Mutual sensor coupling .............................................................................. 172

K.2.7 Sensor coupling with the DUT .................................................................... 172

K.2.8 Measurement system immunity / secondary reception ................................. 172

K.2.9 Deviations in phantom shape ...................................................................... 172

K.2.10 Spatial variation in dielectric parameters .................................................... 173

K.3 Fast SAR examples ........................................................................................... 178

K.3.1 General ..................................................................................................... 178

K.3.2 Example 1: Tests for one frequency band and mode ................................... 179

K.3.3 Example 2: Tests over multiple frequency bands and modes ....................... 183

K.3.4 Example 3: Tests for one frequency band and mode (Procedure B) ............. 186

K.3.5 Example 4: Tests over multiple frequency bands and modes (Procedure

B) .............................................................................................................. 190

Annex L (informative) SAR test reduction supporting information ...................................... 194

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