SIST EN 80601-2-59:2010

Medical electrical equipment - Part 2-59: Particular requirements for basic safety and essential performance of screening thermographs for human febrile temperature screening (IEC 80601-2-59:2008 + corrigendum Apr. 2009)

This International Standard applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of SCREENING THERMOGRAPHS intended to be used for the individual non-invasive febrile temperature screening of humans under indoor environmental conditions, hereafter referred to as ME EQUIPMENT. This International Standard sets laboratory characterization test limits for the SCREENING THERMOGRAPH.

Medizinische elektrische Geräte - Teil 2-59: Besondere Anforderungen für die Sicherheit einschließlich der wesentlichen Leistungsmerkmale von Wärembildkameras für Reihenuntersuchungen von Menschen auf Fieber (IEC 80601-2-59:2008 + corrigendum Apr. 2009)

Appareils électromédicaux - Partie 2-59: Exigences particulières pour la sécurité de base et les performances essentielles des imageurs thermiques pour le dépistage des humains fébriles (CEI 80601-2-59:2008 + corrigendum Apr. 2009)

La CEI 80601-2-59:2008 s'applique à la sécurite de base et aux performances essentielles des imageurs thermiques destinés à être utilisés pour le dépistage non invasif des humains fébriles parmi des individus dans des conditions d'environnement à l'intérieur. La CEI 80601-2-59:2008 fixe des limites d'essais de caractérisation en laboratoire pour les imageurs thermiques. Le contenu du corrigendum d'avril 2009 a été pris en considération dans cet exemplaire.

Medicinska električna oprema - 2-59. del: Posebne zahteve za osnovno varnost in bistvene lastnosti presejalnih termografov za spremljanje človekove temperature pri mrzlici (IEC 80601-2-59:2008 + popravek Apr. 2009)

Ta mednarodni standard velja za OSNOVNO VARNOST in BISTVENE LASTNOSTI PRESEJALNIH TOMOGRAFOV, uporabljenih za posamezno neinvazivno spremljanje človeške temperature pri mrzlici pod pogoji okoliških zaprtih prostorov, v nadaljevanju ME OPREMA. Ta mednarodni standard postavlja meje testov laboratorijskih značilnosti za PRESEJALNI TOMOGRAF.

General Information

• Status: Withdrawn
• Publication Date: 18-Jan-2010
• Withdrawal Date: 16-Oct-2022
• ICS: 11.040.55 - Diagnostic equipment
• Technical Committee: IEMO - Electrical equipment in medical practice
• Current Stage: 9900 - Withdrawal (Adopted Project)
• Start Date: 14-Oct-2022
• Due Date: 06-Nov-2022
• Completion Date: 17-Oct-2022
• Directive: 93/42/EEC - Council Directive 93/42/EEC of 14 June 1993 concerning medical devices
• Ref Project: EN 80601-2-59:2009 - Medical electrical equipment - Part 2-59: Particular requirements for the basic safety and essential performance of screening thermographs for human febrile temperature screening

Relations

• Replaced By: SIST EN IEC 80601-2-59:2019 - Medical electrical equipment - Part 2-59: Particular requirements for the basic safety and essential performance of screening thermographs for human febrile temperature screening (IEC 80601-2-59:2017)
• Effective Date: 15-Oct-2019
• Replaced By: SIST EN IEC 80601-2-59:2019 - Medical electrical equipment - Part 2-59: Particular requirements for the basic safety and essential performance of screening thermographs for human febrile temperature screening (IEC 80601-2-59:2017)
• Effective Date: 07-Jun-2022
• Amended By: SIST EN IEC 80601-2-59:2019 - Medical electrical equipment - Part 2-59: Particular requirements for the basic safety and essential performance of screening thermographs for human febrile temperature screening (IEC 80601-2-59:2017)
• Effective Date: 23-Aug-2016

Standards Content (Sample)

SLOVENSKI STANDARD
SIST EN 80601-2-59:2010
01-marec-2010
0HGLFLQVNDHOHNWULþQDRSUHPDGHO3RVHEQH]DKWHYH]DRVQRYQRYDUQRVWLQ
ELVWYHQHODVWQRVWLSUHVHMDOQLKWHUPRJUDIRY]DVSUHPOMDQMHþORYHNRYHWHPSHUDWXUH
SULPU]OLFL,(&SRSUDYHN$SU
Medical electrical equipment - Part 2-59: Particular requirements for basic safety and
essential performance of screening thermographs for human febrile temperature
screening (IEC 80601-2-59:2008 + corrigendum Apr. 2009)
Medizinische elektrische Geräte - Teil 2-59: Besondere Anforderungen für die Sicherheit
einschließlich der wesentlichen Leistungsmerkmale von Wärembildkameras für
Reihenuntersuchungen von Menschen auf Fieber (IEC 80601-2-59:2008 + corrigendum
Apr. 2009)
Appareils électromédicaux - Partie 2-59: Exigences particulières pour la sécurité de base
et les performances essentielles des imageurs thermiques pour le dépistage des
humains fébriles (CEI 80601-2-59:2008 + corrigendum Apr. 2009)
Ta slovenski standard je istoveten z: EN 80601-2-59:2009
ICS:
11.040.55 'LDJQRVWLþQDRSUHPD Diagnostic equipment
SIST EN 80601-2-59:2010 en,fr
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 80601-2-59:2010

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SIST EN 80601-2-59:2010

EUROPEAN STANDARD
EN 80601-2-59

NORME EUROPÉENNE
December 2009
EUROPÄISCHE NORM

ICS 11.040.55


English version


Medical electrical equipment -
Part 2-59: Particular requirements for the basic safety
and essential performance of screening thermographs
for human febrile temperature screening
(IEC 80601-2-59:2008 + corrigendum 2009)


Appareils électromédicaux -  Medizinische elektrische Geräte -
Partie 2-59: Exigences particulières Teil 2-59: Besondere Anforderungen
pour la sécurité de base für die Sicherheit einschließlich
et les performances essentielles der wesentlichen Leistungsmerkmale
des imageurs thermiques von Wärmebildkameras
pour le dépistage des humains fébriles für Reihenuntersuchungen
(CEI 80601-2-59:2008 von Menschen auf Fieber
+ corrigendum 2009) (IEC 80601-2-59:2008
+ Corrigendum 2009)



This European Standard was approved by CENELEC on 2009-11-17. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Cyprus, the
Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: Avenue Marnix 17, B - 1000 Brussels


© 2009 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. EN 80601-2-59:2009 E

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SIST EN 80601-2-59:2010
EN 80601-2-59:2009 - 2 -
Foreword
The text of document 62D/697/FDIS, future edition 1 of IEC 80601-2-59, prepared by SC 62D,
Electromedical equipment, of IEC TC 62, Electrical equipment in medical practice, and SC 3, Lung
ventilators and related equipment, of ISO TC 121, Anaesthetic and respiratory equipment, was submitted
to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 80601-2-59 on 2009-11-17.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
(dop) 2010-09-01
national standard or by endorsement
– latest date by which the national standards conflicting
(dow) 2012-12-01
with the EN have to be withdrawn
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and covers essential requirements of
EC Directive MDD (93/42/EEC). See Annex ZZ.
In this standard, the following print types are used:
– Requirements and definitions: roman type.
– Test specifications: italic type.
– Informative material appearing outside of tables, such as notes, examples and references: in smaller type. Normative text of
tables is also in a smaller type.
– TERMS DEFINED IN CLAUSE 3 OF THE GENERAL STANDARD, IN THIS PARTICULAR STANDARD OR AS NOTED:
SMALL CAPITALS.
In referring to the structure of this standard, the term
– “clause” means one of the seventeen numbered divisions within the table of contents, inclusive of all
subdivisions (e.g. Clause 7 includes subclauses 7.1, 7.2, etc.);
– “subclause” means a numbered subdivision of a clause (e.g. 7.1, 7.2 and 7.2.1 are all subclauses of
Clause 7).
References to clauses within this standard are preceded by the term “Clause” followed by the clause
number. References to subclauses within this particular standard are by number only.
In this standard, the conjunctive “or” is used as an “inclusive or” so a statement is true if any combination
of the conditions is true.
The verbal forms used in this standard conform to usage described in Annex H of the ISO/IEC Directives,
Part 2. For the purposes of this standard, the auxiliary verb:
− “shall” means that compliance with a requirement or a test is mandatory for compliance with this
standard;
− “should” means that compliance with a requirement or a test is recommended but is not mandatory for
compliance with this standard;
− “may” is used to describe a permissible way to achieve compliance with a requirement or test.
An asterisk (*) as the first character of a title or at the beginning of a paragraph or table title indicates that
there is guidance or rationale related to that item in Annex AA.

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SIST EN 80601-2-59:2010
- 3 - EN 80601-2-59:2009
Annexes ZA and ZZ have been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 80601-2-59:2008 + corrigendum April 2009 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/IEC 17025 NOTE  Harmonized as EN ISO/IEC 17025:2005 (not modified).
__________

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SIST EN 80601-2-59:2010
EN 80601-2-59:2009 - 4 -
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.

NOTE  When an international publication has been modified by common modifications, indicated by (mod), the relevant EN/HD
applies.

Annex ZA of EN 60601-1:2006 applies, except as follows:

Publication Year Title EN/HD Year

Addition:

1)
ISO/TR 13154 - Medical electrical equipment - - -
Deployment, implementation and operational
guidelines for indentifying febrile humans
using a screening thermograph


ASTM E1213-97 2002 Standard Test Method for Minimum - -
Resolvable Temperature Difference for
Thermal Imaging Systems



1)
Undated reference.

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SIST EN 80601-2-59:2010
- 5 - EN 80601-2-59:2009
Annex ZZ
(informative)

Coverage of Essential Requirements of EC Directives
This European Standard has been prepared under a mandate given to CENELEC by the European
Commission and the European Free Trade Association and within its scope the standard covers all
relevant essential requirements as given in Annex I of the EC Directive 93/42/EEC with the exception of
Essential Requirements 3 and 10.1.
Compliance with this standard provides one means of conformity with the specified essential
requirements of the Directive concerned.
WARNING: Other requirements and other EC Directives may be applicable to the products falling within
the scope of this standard.
__________

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SIST EN 80601-2-59:2010

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SIST EN 80601-2-59:2010
IEC 80601-2-59
Edition 1.0 2008-10
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Medical electrical equipment –
Part 2-59: Particular requirements for the basic safety and essential performance
of screening thermographs for human febrile temperature screening

Appareils électromédicaux –
Partie 2-59: Exigences particulières pour la sécurité de base et les performances
essentielles des imageurs thermiques pour le dépistage des humains fébriles

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
V
CODE PRIX
ICS 11.040.55 ISBN 2-8318-1004-5

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SIST EN 80601-2-59:2010
– 2 – 80601-2-59 © IEC:2008
CONTENTS
FOREWORD.3
INTRODUCTION.5
201.1 Scope, object and related standards.6
201.2 Normative references.7
201.3 Terms and definitions .8
201.4 General requirements.10
201.5 General requirements for testing of ME EQUIPMENT .10
201.6 Classification of ME EQUIPMENT and ME SYSTEMS .11
201.7 ME EQUIPMENT identification, marking and documents .11
201.8 Protection against electrical HAZARDS from ME EQUIPMENT .11
201.9 Protection against mechanical HAZARDS of ME EQUIPMENT and ME SYSTEMS .12
201.10 Protection against unwanted and excessive radiation HAZARDS .12
201.11 Protection against excessive temperatures and other HAZARDS .12
201.12 Accuracy of controls and instruments and protection against hazardous
outputs .12
201.13 HAZARDOUS SITUATIONS and fault conditions .13
201.14 PROGRAMMABLE ELECTRICAL MEDICAL SYSTEMS (PEMS) .13
201.15 Construction of ME EQUIPMENT.13
201.16 ME SYSTEMS.13
201.17 Electromagnetic compatibility of ME EQUIPMENT and ME SYSTEMS .13
201.101 Laboratory accuracy of a screening thermograph.14
201.102 Screening thermograph alarm conditions .17
Annexes .18
Annex C (informative) Guide to marking and labelling requirements for ME EQUIPMENT
and ME SYSTEMS.18
Annex AA (informative) Particular guidance and rationale.20
Annex BB (normative) CALIBRATION SOURCE .26
Annex CC (informative) Reference to the essential principles .27
Bibliography.29
Index of defined terms used in this particular standard.34

Figure AA.1 – Relative drift of 4 DETECTORS as a function of time.24

Table 201.101 – Distributed ESSENTIAL PERFORMANCE requirements .10
Table 201.C.101 – ACCOMPANYING DOCUMENTS, instructions for use of a SCREENING
THERMOGRAPH .18
Table 201.C.102 – ACCOMPANYING DOCUMENTS, technical description of a SCREENING
THERMOGRAPH .19
Table AA.1 – Example of relevant uncertainty terms for a SCREENING THERMOGRAPH .22
Table CC.1 – Correspondence between this particular standard and the essential
principles .27

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SIST EN 80601-2-59:2010
80601-2-59 © IEC:2008 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

MEDICAL ELECTRICAL EQUIPMENT –

Part 2-59: Particular requirements for the basic safety
and essential performance of screening thermographs
for human febrile temperature screening


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, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their 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
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International standard IEC 80601-2-59 has been prepared by a Joint Working Group of IEC
subcommittee 62D: Electromedical equipment, of IEC technical committee 62: Electrical
equipment in medical practice, and of ISO subcommittee SC3: Lung ventilators and related
equipment, of ISO technical committee 121: Anaesthetic and respiratory equipment.
The text of this particular standard is based on the following documents:
FDIS Report on voting
62D/697/FDIS 62D/720/RVD

Full information on the voting for the approval of this particular standard can be found in the
report on voting indicated in the above table. In ISO, the standard has been approved by
12 P-members out of 15 having cast a vote.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

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SIST EN 80601-2-59:2010
– 4 – 80601-2-59 © IEC:2008
In this standard, the following print types are used:
– Requirements and definitions: roman type.
– Test specifications: italic type.
– Informative material appearing outside of tables, such as notes, examples and references: in smaller type.
Normative text of tables is also in a smaller type.
– TERMS DEFINED IN CLAUSE 3 OF THE GENERAL STANDARD, IN THIS PARTICULAR STANDARD OR AS
NOTED: SMALL CAPITALS.
In referring to the structure of this standard, the term
– “clause” means one of the seventeen numbered divisions within the table of contents,
inclusive of all subdivisions (e.g. Clause 7 includes subclauses 7.1, 7.2, etc.);
– “subclause” means a numbered subdivision of a clause (e.g. 7.1, 7.2 and 7.2.1 are all
subclauses of Clause 7).
References to clauses within this standard are preceded by the term “Clause” followed by the
clause number. References to subclauses within this particular standard are by number only.
In this standard, the conjunctive “or” is used as an “inclusive or” so a statement is true if any
combination of the conditions is true.
The verbal forms used in this standard conform to usage described in Annex H of the ISO/IEC
Directives, Part 2. For the purposes of this standard, the auxiliary verb:
– “shall” means that compliance with a requirement or a test is mandatory for compliance
with this standard;
– “should” means that compliance with a requirement or a test is recommended but is not
mandatory for compliance with this standard;
– “may” is used to describe a permissible way to achieve compliance with a requirement or
test.
An asterisk (*) as the first character of a title or at the beginning of a paragraph or table title
indicates that there is guidance or rationale related to that item in Annex AA.
A list of all parts of the IEC 60601 series, published under the general title: Medical electrical
equipment, can be found on the IEC website
The committee has decided that the contents of this publication will remain unchanged until
the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in
the data related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
The contents of the corrigendum of April 2009 have been included in this copy.

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SIST EN 80601-2-59:2010
80601-2-59 © IEC:2008 – 5 –
INTRODUCTION
The minimum safety requirements specified in this particular standard are considered to
provide for a practical degree of safety in the operation of ME EQUIPMENT for human febrile
temperature screening.
This document describes ME EQUIPMENT that uses infrared technology to detect naturally
emitted heat at the skin surface of the FACE. Such ME EQUIPMENT can be useful at ports-of-
entry or ports-of-exit and the entrances to buildings under indoor environmental conditions to
separate febrile from afebrile individuals to help prevent the spread of communicable
diseases. Care can be needed when evaluating individuals under changing environmental
conditions, but the inner canthus of the eye has been demonstrated to be a robust
1)
measurement site and is supplied by the internal carotid artery. [ 40]
A body core temperature of 38 °C or above was used as the criterion to restrict traveling
during the SARS (severe acute respiratory syndrome) epidemic (April 2003). [73] The US
Center for Disease Control advises that SARS typically begins with a temperature above
38 °C, which is 1 °C higher than normal human body core temperature which averages around
37 °C. [29] It is hard to give an accurate assessment of how many people were checked by
infrared temperature measurements in China during the SARS epidemic. There is official
Chinese government data indicating that during a two-month period in the spring of 2003, 30
million travelers were screened in China. From this cohort, 9 292 travelers with elevated
temperature were detected and 38 were suspected of being SARS carriers. SARS was
diagnosed in 21 of these cases. All elevated temperatures were confirmed using traditional
clinical temperature measurements of body temperature. Although it is hard to determine the
human body's core temperature accurately by infrared measurement of SKIN TEMPERATURE, it
is a potential method for screening for elevated temperature values. [36 ] [7 3] [75]
This particular standard amends and supplements IEC 60601-1 (third edition, 2005): Medical
electrical equipment – Part 1: General requirements for safety and essential performance,
hereinafter referred to as the General Standard (see 1.4).
The requirements are followed by specifications for the relevant tests.
A "General guidance and rationale" section giving some explanatory notes, where
appropriate, about the more important requirements is included in annex AA. It is considered
that knowledge of the reasons for these requirements will not only facilitate the proper
application of the standard but will, in due course, expedite any revision necessitated by
changes in clinical practice or as a result of developments in technology. However, this annex
does not form part of the requirements of this standard.

—————————
1)
Figures in square brackets refer to the Bibliography.

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SIST EN 80601-2-59:2010
– 6 – 80601-2-59 © IEC:2008
MEDICAL ELECTRICAL EQUIPMENT –

Part 2-59: Particular requirements for the basic safety
and essential performance of screening thermographs
for human febrile temperature screening



201.1 Scope, object and related standards
2)
Clause 1 of the general standard applies, except as follows:
201.1.1 * Scope
Replacement:
BASIC SAFETY and ESSENTIAL PERFORMANCE of
This International Standard applies to the
SCREENING THERMOGRAPHS intended to be used for the individual non-invasive febrile
temperature screening of humans under indoor environmental conditions, hereafter referred to
as ME EQUIPMENT. This International Standard sets laboratory characterization test limits for
the SCREENING THERMOGRAPH.
NOTE A SCREENING THERMOGRAPH is intended for screening and detection of human subjects with SKIN
TEMPERATURES elevated above normal. An elevated SKIN TEMPERATURE needs to be followed up by a subsequent
temperature measurement using a clinical thermometer (see IEC 80601-2-56).
If a clause or subclause is specifically intended to be applicable to ME EQUIPMENT only, or to
ME SYSTEMS only, the title and content of that clause or subclause will say so. If that is not the
case, the clause or subclause applies both to ME EQUIPMENT and to ME SYSTEMS, as relevant.
201.1.2 Object
Replacement:
The object of this particular standard is to establish particular BASIC SAFETY and ESSENTIAL
PERFORMANCE requirements for SCREENING THERMOGRAPHS as defined in 201.3.209.
201.1.3 Collateral standards
Addition:
This particular standard refers to those applicable collateral standards that are listed in
Clause 2 of the general standard and Clause 2 of this particular standard.
IEC 60601-1-3 does not apply. All other published collateral standards in the IEC 60601-1
series apply as published.
201.1.4 Particular standards
Replacement:
In the IEC 60601 series, particular standards may modify, replace or delete requirements
contained in the general standard and collateral standards as appropriate for the particular
—————————
2)
The general standard is IEC 60601-1:2005, Medical electrical equipment – Part 1: General requirements for
basic safety and essential performance.

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SIST EN 80601-2-59:2010
80601-2-59 © IEC:2008 – 7 –
ME EQUIPMENT under consideration, and may add other BASIC SAFETY and ESSENTIAL
PERFORMANCE requirements.
A requirement of a particular standard takes priority over the general standard.
For brevity, IEC 60601-1 is referred to in this particular standard as the general standard.
Collateral standards are referred to by their document number.
The numbering of sections, clauses and subclauses of this particular standard corresponds to
that of the general standard with the prefix “201” (e.g. 201.1 in this standard addresses the
content of Clause 1 of the general standard) or applicable collateral standard with the prefix
“20x” where x is the final digit(s) of the collateral standard document number (e.g. 202.4 in
this particular standard addresses the content of Clause 4 of the 60601-1-2 collateral
standard, 203.4 in this particular standard addresses the content of Clause 4 of the 60601-1-3
collateral standard, etc.). The changes to the text of the general standard are specified by the
use of the following words:
"Replacement" means that the clause or subclause of the general standard or applicable
collateral standard is replaced completely by the text of this particular standard.
"Addition" means that the text of this particular standard is additional to the requirements of
the general standard or applicable collateral standard.
"Amendment" means that the clause or subclause of the general standard or applicable
collateral standard is amended as indicated by the text of this particular standard.
Subclauses or figures which are additional to those of the general standard are numbered
starting from 201.101. However due to the fact that definitions in the general standard are
numbered 3.1 through 3.139, additional definitions in this standard are numbered beginning
from 201.3.201. Additional annexes are lettered AA, BB, etc., and additional items aa), bb),
etc.
Subclauses or figures which are additional to those of a collateral standard are numbered
starting from 20x, where “x” is the number of the collateral standard, e.g. 202 for
IEC 60601-1-2, 203 for IEC 60601-1-3, etc.
The term "this standard" is used to make reference to the general standard, any applicable
collateral standards and this particular standard taken together.
Where there is no corresponding clause or subclause in this particular standard, the clause or
subclause of the general standard or applicable collateral standard, although possibly not
relevant, applies without modification; where it is intended that any part of the general
standard or applicable collateral standard, although possibly relevant, is not to be applied, a
statement to that effect is given in this particular standard.
201.2 Normative references
NOTE Informative references are listed in the bibliography beginning on page 29.
Clause 2 of the general standard applies, except as follows:
Addition:
ISO/TR 13154, Medical electrical equipment – Deployment, implementation and operational
guidelines for identifying febrile humans using a screening thermograph

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SIST EN 80601-2-59:2010
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3)
ASTM E1213-97:2002 , Standard Test Method for Minimum Resolvable Temperature
Difference for Thermal Imaging Systems
201.3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 60601-1:2005 and
IEC 60601-1-8:2006 apply, except as follows:
NOTE An index of defined terms is found beginning on page 34.
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