EN IEC 63203-402-2:2024
(Main)Wearable electronic devices and technologies - Part 402-2: Performance measurement of fitness wearables - Step counting
Wearable electronic devices and technologies - Part 402-2: Performance measurement of fitness wearables - Step counting
IEC 63203-402-2:2024 specifies test methods for measuring and evaluating the performance, reliability, and accuracy of the step counting feature in any wearable device that can count steps (e.g. activity and fitness trackers, smart bands, smart shoes, and smart insoles). These standard test methods exclude the evaluation of data associated with travel distance or calorie consumption.
Tragbare elektronische Geräte und Technologien - Teil 402-2: Performance Messung von Fitness Wearables - Schrittzählung
Technologies et dispositifs électroniques prêts-à-porter - Partie 402-2: Mesure des performances des dispositifs prêts-à-porter d’activité physique - Podomètres
L’IEC 63203-402-2:2024 spécifie des méthodes d’essai pour mesurer et évaluer les performances, la fiabilité et l’exactitude de la fonction podomètre dans tout dispositif prêt-à-porter qui peut compter des pas (par exemple moniteurs d’activité physique, bracelets intelligents, chaussures intelligentes et semelles intelligentes). Ces méthodes d’essai normalisées excluent l’évaluation des données associées à la distance parcourue ou à la consommation de calories.
Nosljive elektronske naprave in tehnologije - 402-2. del: Merjenje zmogljivosti nosljivih izdelkov za fitnes - Štetje korakov (IEC 63203-402-2:2024)
Standard IEC 63203-402-2:2024 določa preskusne metode za merjenje in ocenjevanje zmogljivosti, zanesljivosti in natančnosti funkcij za štetje korakov v kateri koli nosljivi napravi, ki lahko šteje korake (npr. naprave za spremljanje telesne dejavnosti, pametni trakovi, pametna obutev, pametni vložki).
Te standardne preskusne metode ne zajemajo ocene podatkov, povezanih z opravljeno razdaljo ali porabo kalorij.
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
01-maj-2024
Nosljive elektronske naprave in tehnologije - 402-2. del: Merjenje zmogljivosti
nosljivih izdelkov za fitnes - Štetje korakov (IEC 63203-402-2:2024)
Wearable electronic devices and technologies - Part 402-2: Performance measurement
of fitness wearables - Step counting (IEC 63203-402-2:2024)
Tragbare elektronische Geräte und Technologien - Teil 402-2: Performance Messung
von Fitness Wearables - Schrittzählung (IEC 63203-402-2:2024)
Technologies et dispositifs électroniques prêts-à-porter - Partie 402-2: Mesure des
performances des dispositifs prêts-à-porter d’activité physique - Podomètres (IEC 63203
-402-2:2024)
Ta slovenski standard je istoveten z: EN IEC 63203-402-2:2024
ICS:
31.020 Elektronske komponente na Electronic components in
splošno general
31.080.99 Drugi polprevodniški elementi Other semiconductor devices
59.080.80 Inteligentne tekstilije Smart textiles
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 63203-402-2
NORME EUROPÉENNE
EUROPÄISCHE NORM March 2024
ICS 31.020
English Version
Wearable electronic devices and technologies - Part 402-2:
Performance measurement of fitness wearables - Step counting
(IEC 63203-402-2:2024)
Technologies et dispositifs électroniques prêts-à-porter - Tragbare elektronische Geräte und Technologien - Teil 402-
Partie 402-2: Mesure des performances des dispositifs 2: Performance Messung von Fitness Wearables -
prêts-à-porter d'activité physique - Podomètres Schrittzählung
(IEC 63203-402-2:2024) (IEC 63203-402-2:2024)
This European Standard was approved by CENELEC on 2024-03-06. 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
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© 2024 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 63203-402-2:2024 E
European foreword
The text of document 124/249/FDIS, future edition 1 of IEC 63203-402-2, prepared by IEC/TC 124
"Wearable electronic devices and technologies" was submitted to the IEC-CENELEC parallel vote and
approved by CENELEC as EN IEC 63203-402-2:2024.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2024-12-06
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2027-03-06
document have to be withdrawn
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.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 63203-402-2:2024 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following note has to be added for the standard indicated:
ISO 20342-1:2022 NOTE Approved as EN ISO 20342-1:2022 (not modified)
IEC 63203-402-2 ®
Edition 1.0 2024-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Wearable electronic devices and technologies –
Part 402-2: Performance measurement of fitness wearables – Step counting
Technologies et dispositifs électroniques prêts-à-porter –
Partie 402-2: Mesure des performances des dispositifs prêts-à-porter d’activité
physique – Podomètres
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 31.020 ISBN 978-2-8322-8128-4
– 2 – IEC 63203-402-2:2024 © IEC 2024
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 7
3.1 Terms and definitions . 7
3.2 Abbreviated terms . 8
4 Test methods and procedures. 8
4.1 General . 8
4.2 Apparatus . 9
4.2.1 General . 9
4.2.2 Treadmill . 9
4.2.3 Video recorder . 9
4.3 Preparation . 10
4.3.1 Subject requirements . 10
4.3.2 Number of subjects . 10
4.3.3 Gender – Balance . 10
4.3.4 Age . 10
4.3.5 BMI – Range. 10
4.3.6 Wearing position of DUT . 10
4.3.7 Balanced speed conditions . 10
4.4 Testing conditions . 11
4.4.1 Temperature . 11
4.4.2 Ambient light . 11
4.4.3 Humidity . 11
4.4.4 Apparatus setting. 11
4.4.5 DUT setting . 12
4.5 Measurement test method . 12
4.5.1 Start and end of test . 12
4.5.2 Measurement procedure . 12
4.6 Alternative test method . 13
4.6.1 General . 13
4.6.2 Test automation . 13
5 Data analysis . 13
5.1 Step count accuracy calculation . 13
5.2 Accuracy requirements . 14
6 Test report . 14
Annex A (informative) Example of a PAR-Q Questionnaire . 16
Annex B (informative) Reference criteria for speed condition . 17
Annex C (informative) Particular guidance and rationale . 18
Bibliography . 19
IEC 63203-402-2:2024 © IEC 2024 – 3 –
Figure 1 – Overview of test environment and methods . 9
Figure B.1 – Running speed of the overall top ten per age group . 17
Table 1 – Conversion table of the speed unit . 11
Table B.1 – Difference in walking speeds by age . 17
– 4 – IEC 63203-402-2:2024 © IEC 2024
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
WEARABLE ELECTRONIC DEVICES AND TECHNOLOGIES –
Part 402-2: Performance measurement of fitness wearables –
Step counting
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
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preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with the IEC also participate in this preparation. IEC collaborates closely with the International Organization for
Standardization (ISO) in accordance with conditions determined by agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
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8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
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9) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). IEC takes no position concerning the evidence, validity or applicability of any claimed patent rights in
respect thereof. As of the date of publication of this document, IEC had not received notice of (a) patent(s), which
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the latest information, which may be obtained from the patent database available at https://patents.iec.ch. IEC
shall not be held responsible for identifying any or all such patent rights.
IEC 63203-402-2 has been prepared by IEC 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
124/249/FDIS 124/262/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.
IEC 63203-402-2:2024 © IEC 2024 – 5 –
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement, available
at www.iec.ch/members_experts/refdocs. The main document types developed by IEC are
described in greater detail at www.iec.ch/publications.
A list of all parts in the IEC 63203 series, published under the general title Wearable electronic
devices and technologies, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn, or
• revised.
IMPORTANT – The "colour inside" logo on the cover page of this document indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this document using a colour printer.
– 6 – IEC 63203-402-2:2024 © IEC 2024
INTRODUCTION
The step counting feature is a common functionality in wearable devices. The accurate
measurement and reporting of the step count is an important factor in the acceptance by
consumers of that step count. Data from wearable devices may be useful in helping to improve
the health and well-being of consumers that use wearable devices. The usability of the data to
improve health outcomes is dependent on the reliability of the data to facilitate their acceptance
by consumers and health improvement.
This document defines and provides standard test methods for evaluating the performance and
reliability of step counting in wearable devices. The benefit of using this document is that it
provides a method to compare the step counting function of a wearable device against the
actual step count, which can provide manufacturers with a method to improve the step count
functionality of their devices.
IEC 63203-402-2:2024 © IEC 2024 – 7 –
WEARABLE ELECTRONIC DEVICES AND TECHNOLOGIES –
Part 402-2: Performance measurement of fitness wearables –
Step counting
1 Scope
This part of IEC 63203 specifies test methods for measuring and evaluating the performance,
reliability, and accuracy of the step counting feature in any wearable device that can count
steps (e.g. activity and fitness trackers, smart bands, smart shoes, and smart insoles).
These standard test methods exclude the evaluation of data associated with travel distance or
calorie consumption.
2 Normative references
There are no normative references in this document.
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following
addresses:
• IEC Electropedia: available at https://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
3.1.1
body mass index
BMI
value derived from the mass (weight in kilograms) and height (in metres) of an individual,
defined as the body mass divided by the square of the body length, expressed in units of kg/m ,
calculated by the following formula:
BMI = m/l
where
m is the mass in kg;
l is the length in m
[SOURCE: ISO 20342-1:2022, 3.7]
3.1.2
investigator
qualified person responsible for testing at a testing site
– 8 – IEC 63203-402-2:2024 © IEC 2024
3.1.3
jogging
raising and lowering each foot, with a period of time where neither foot is in contact with the
ground, with less intensity than running
3.1.4
running
action of moving faster than jogging with more vigorous intensity than jogging never having both
feet on the ground simultaneously with the express purpose of locomotion
3.1.5
step
action or movement of lifting and then placing one foot in front of the other during walking or
running with the goal of locomotion
3.1.6
subject
person wearing a DUT
3.1.7
treadmill
training equipment with a running surface on which walking or running activity can take place,
where the feet are free to leave the running surface
[SOURCE: ISO 20957-6:2021, 3.1]
3.1.8
walking
action of moving at a regular pace by lifting and setting down each foot in turn, never having
both feet off the ground simultaneously with the express purpose of locomotion
3.2 Abbreviated terms
DUT device under test
MAPE mean absolute percentage error
PAR-Q Physical Activity Readiness Questionnaire
REF reference
4 Test methods and procedures
4.1 General
A subject shall either walk, jog, or run on a motor-driven treadmill at a pre-set speed while the
activity is video-recorded. The recorded video shall be analysed by two investigators to acquire
the confirmed actual step counts. See Figure 1.
SIS
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