Wearable electronic devices and technologies - Part 406-1: Test method for measuring surface temperature of wrist-worn wearable electronic devices while in contact with human skin

IEC 63203-406-1:2021 defines the terms, definitions, symbols, configurations, and test methods to be used to specify the standard measurement conditions and methods for determining the contact-surface temperature of wrist-worn wearable electronic devices intended to be worn directly on a human wrist and that can be worn continuously during use. The conditions of the test do not consider perfusion and results are therefore considered conservatively. The temperature increase is induced by the thermal energy of wearable electronic devices during operation. This document gives the general procedure for the test method applicable to various wrist-worn wearable electronic devices for use by ordinary persons which in the context of this document is a healthy human adult.

Technologies et dispositifs électroniques prêts-à-porter - Partie 406-1: Méthode d’essai pour le mesurage de la température de surface des dispositifs électroniques prêts-à-porter placés au poignet au contact de la peau humaine

L‘IEC 63203-406-1:2021 définit les termes, les définitions, les symboles, les configurations et les méthodes d'essai à utiliser pour spécifier les conditions de mesure normalisées et les méthodes de détermination de la température à la surface de contact des dispositifs électroniques prêts-à-porter placés au poignet, destinés à être portés directement sur le poignet humain et qui peuvent être portés de manière continue pendant leur utilisation. Les conditions de l’essai ne prennent pas en considération la diffusion et les résultats sont par conséquent considérés avec prudence. L'augmentation de la température est induite par l'énergie thermique des dispositifs électroniques prêts-à-porter pendant leur fonctionnement. Le présent document donne la procédure générale pour la méthode d'essai applicable à divers dispositifs électroniques prêts-à-porter placés au poignet et destinés à être utilisés par des personnes ordinaires qui, dans le contexte de ce document, sont des adultes humains en bonne santé.

General Information

Status
Published
Publication Date
15-Dec-2021
Current Stage
PPUB - Publication issued
Start Date
14-Jan-2022
Completion Date
16-Dec-2021
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IEC 63203-406-1:2021 - Wearable electronic devices and technologies - Part 406-1: Test method for measuring surface temperature of wrist-worn wearable electronic devices while in contact with human skin
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IEC 63203-406-1 ®
Edition 1.0 2021-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Wearable electronic devices and technologies –
Part 406-1: Test method for measuring surface temperature of wrist-worn
wearable electronic devices while in contact with human skin

Technologies et dispositifs électroniques prêts-à-porter –
Partie 406-1: Méthode d’essai pour le mesurage de la température de surface
des dispositifs électroniques prêts-à-porter placés au poignet au contact de la
peau humaine
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IEC 63203-406-1 ®
Edition 1.0 2021-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Wearable electronic devices and technologies –

Part 406-1: Test method for measuring surface temperature of wrist-worn

wearable electronic devices while in contact with human skin

Technologies et dispositifs électroniques prêts-à-porter –

Partie 406-1: Méthode d’essai pour le mesurage de la température de surface

des dispositifs électroniques prêts-à-porter placés au poignet au contact de la

peau humaine
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.020 ISBN 978-2-8322-1061-5

– 2 – IEC 63203-406-1:2021 © IEC 2021
CONTENTS
FOREWORD . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Test conditions and test setup . 7
4.1 Environmental conditions . 7
4.2 Human skin-imitating fixture . 7
4.2.1 General . 7
4.2.2 Structure of the human skin-imitating fixture . 7
4.2.3 Monitoring skin-imitating temperature and heater control . 7
4.3 Stabilization time . 7
4.4 Test setup . 8
4.4.1 General . 8
4.4.2 Placement of device under test (DUT) . 8
4.4.3 Thermocouple placement . 9
4.4.4 Device operating conditions . 9
5 Test method . 9
6 Test report . 10
Annex A (informative) Low-temperature burn caused by wearable electronic devices. 11
A.1 General . 11
A.2 Low-temperature burn threshold . 11
Annex B (informative) Human skin-imitating fixture . 12
B.1 General structure . 12
B.2 Heater for imitating skin temperature . 12
Annex C (informative) Device operation scenario for the temperature test . 14
C.1 Normal operating condition scenario . 14
C.2 Abnormal operating condition scenario . 14
Bibliography . 15

Figure 1 – Test setup for evaluating the contact-surface temperature of a wearable
electronic device . 8
Figure B.1 – Structure of human skin-imitating fixture . 12
Figure B.2 – Minimum size of cover, heater, and the position of thermocouple to
monitor skin-imitating temperature . 13
Figure C.1 – Working period and duty cycle under device operating conditions . 14

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
WEARABLE ELECTRONIC DEVICES AND TECHNOLOGIES –

Part 406-1: Test method for measuring surface temperature of wrist-worn
wearable electronic devices while in contact with human skin

FOREWORD
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IEC 63203-406-1 has been prepared by technical committee 124: Wearable electronic devices
and technologies. It is an International Standard.
The text of this International Standard is based on the following documents:
Draft Report on voting
124/161/FDIS 124/168/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.

– 4 – IEC 63203-406-1:2021 © IEC 2021
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