IEC 61340-2-1:2015/AMD1:2022
(Amendment)Amendment 1 - Electrostatics - Part 2-1: Measurement methods - Ability of materials and products to dissipate static electric charge
Amendment 1 - Electrostatics - Part 2-1: Measurement methods - Ability of materials and products to dissipate static electric charge
Amendement 1 - Electrostatique - Partie 2-1: Méthodes de mesure - Capacité des matériaux et des produits à dissiper des charges électrostatiques
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IEC 61340-2-1 ®
Edition 2.0 2022-06
INTERNATIONAL
STANDARD
HORIZONTAL PUBLICATION
AMENDMENT 1
Electrostatics –
Part 2-1: Measurement methods – Ability of materials and products to dissipate
static electric charge
IEC 61340-2-1:2015-08/AMD1:2022-06(en)
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International Standards for all electrical, electronic and related technologies.
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IEC 61340-2-1 ®
Edition 2.0 2022-06
INTERNATIONAL
STANDARD
HORIZONTAL PUBLICATION
AMENDMENT 1
Electrostatics –
Part 2-1: Measurement methods – Ability of materials and products to dissipate
static electric charge
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 17.220.99; 29.020 ISBN 978-2-8322-3937-7
– 2 – IEC 61340-2-1:2015/AMD1:2022
© IEC 2022
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTROSTATICS –
Part 2-1: Measurement methods – Ability of materials
and products to dissipate static electric charge
AMENDMENT 1
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 itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
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 document may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
Amendment 1 to IEC 61340-2-1:2015 has been prepared by IEC technical committee 101:
Electrostatics.
The text of this Amendment is based on the following documents:
Draft Report on voting
101/639/CDV 101/651/RVC
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 Amendment is English.
© IEC 2022
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/standardsdev/publications/.
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,
• replaced by a revised edition, or
• amended.
___________
INTRODUC
...
IEC 61340-2-1 ®
Edition 2.0 2022-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
HO RIZONTAL PUBLICATION
PU BLICATION HORIZONTALE
AMENDMENT 1
AMENDEMENT 1
Electrostatics –
Part 2-1: Measurement methods – Ability of materials and products to dissipate
static electric charge
Électrostatique –
Partie 2-1: Méthodes de mesure – Capacité des matériaux et des produits à
dissiper des charges électrostatiques
IEC 61340-2-1:2015-08/AMD1:2022-06(en-fr)
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from
either IEC or IEC's member National Committee in the country of the requester. If you have any questions about IEC
copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or
your local IEC member National Committee for further information.
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les coordonnées ci-après ou contactez le Comité national de l'IEC de votre pays de résidence.
IEC Secretariat Tel.: +41 22 919 02 11
3, rue de Varembé info@iec.ch
CH-1211 Geneva 20 www.iec.ch
Switzerland
About the IEC
The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes
International Standards for all electrical, electronic and related technologies.
About IEC publications
The technical content of IEC publications is kept under constant review by the IEC. Please make sure that you have the
latest edition, a corrigendum or an amendment might have been published.
IEC publications search - webstore.iec.ch/advsearchform IEC Products & Services Portal - products.iec.ch
The advanced search enables to find IEC publications by a Discover our powerful search engine and read freely all the
variety of criteria (reference number, text, technical publications previews. With a subscription you will always have
committee, …). It also gives information on projects, replaced access to up to date content tailored to your needs.
and withdrawn publications.
Electropedia - www.electropedia.org
IEC Just Published - webstore.iec.ch/justpublished
The world's leading online dictionary on electrotechnology,
Stay up to date on all new IEC publications. Just Published
containing more than 22 300 terminological entries in English
details all new publications released. Available online and once
and French, with equivalent terms in 19 additional languages.
a month by email.
Also known as the International Electrotechnical Vocabulary
(IEV) online.
IEC Customer Service Centre - webstore.iec.ch/csc
If you wish to give us your feedback on this publication or need
further assistance, please contact the Customer Service
Centre: sales@iec.ch.
A propos de l'IEC
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IEC 61340-2-1 ®
Edition 2.0 2022-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
H ORIZONTAL PUBLICATION
P UBLICATION HORIZONTALE
AMENDMENT 1
AMENDEMENT 1
Electrostatics –
Part 2-1: Measurement methods – Ability of materials and products to dissipate
static electric charge
Électrostatique –
Partie 2-1: Méthodes de mesure – Capacité des matériaux et des produits à
dissiper des charges électrostatiques
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.99; 29.020 ISBN 978-2-8322-3959-9
– 2 – IEC 61340-2-1:2015/AMD1:2022
© IEC 2022
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTROSTATICS –
Part 2-1: Measurement methods – Ability of materials
and products to dissipate static electric charge
AMENDMENT 1
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 itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
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 document may be the subject of patent
rights. IEC shall not be held responsible for identifying any or all such patent rights.
Amendment 1 to IEC 61340-2-1:2015 has been prepared by IEC technical committee 101:
Electrostatics.
The text of this Amendment is based on the following documents:
Draft Report on voting
101/639/CDV 101/651/RVC
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 Amendment is English.
© IEC 2022
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/standardsdev/publications/.
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,
• replaced by a revised edition, or
• amended.
___________
INTRODUCTION
Replace the second paragraph of the Introduction with the following new text:
For homogeneous conductive materials, this property can be evaluated indirectly by measuring
resistance or resistivity parameters. Care should be exercised when determining the
homogeneity of materials, as some materials that appear homogenous do exhibit
non−homogeneous electrical characteristics. If the homogeneity of materials is not known and
cannot be otherwise verified, it is possible that resistance measurements will not be reliable or
will not give enough information. It is also possible that resistance measurements will not be
reliable when evaluating materials in the dissipative or insulative range and especially for high
ohmic materials that include conductive fibres (e.g. textiles with a metallic grid). In such cases,
the rate of dissipation of static charge should be measured directly.
1 Scope
Replace the third paragraph of Clause 1 with the following new text:
The two test methods for measuring charge decay time, one using corona charging and one
using a charged metal plate are different and it is possible that they will not give equivalent
results. Nevertheless, each method has a range of applications for which it is best suited. The
corona charging method is suitable for evaluating the ability of materials, for example textiles,
packaging, to dissipate charge from their own surfaces. The charged metal plate method is
suitable for evaluating the ability of materials and objects such as gloves, finger cots, hand
tools, to dissipate charge from conductive objects placed on or in contact with them. It is
possible that the charged plate method will not be suitable for evaluating the ability of materials
to dissipate charge from their own surfaces.
– 4 – IEC 61340-2-1:2015/AMD1:2022
© IEC 2022
2 Normative references
Add the following normative references:
IEC 61010-1, Safety requirements for electrical equipment for measurement, control, and
laboratory use – Part 1: General requirements
IEC 61010-2-030, Safety requirements for electrical equipment for measurement, control, and
laboratory use – Part 2-030: Particular requirements for equipment having testing or measuring
circuits
3 Terms and definitions
3.2
charge decay time
Replace Note 1 to entry in 3.2 with the following new Note 1 to entry:
Note 1 to entry: 1/e and 10 % are appropriate fractions (e is the base of natural logarithms, equal to 2,718). If the
initial voltage is low, the accuracy of decay time measurements to a small fraction of the initial voltage can be
susceptible to the noise level of the fieldmeter.
3.5
static dissipative material
Replace Note 1 to entry in 3.5 with the following new Note 1 to entry:
Note 1 to entry: Materials that are considered conductive in other contexts are included within this definition for the
purposes of this part of IEC 61340.
4.1 Principles
Replace the Caution statement of 4.1 with the following new Warning statement:
WARNING – The test methods specified in this document involve the use of high-voltage power
supplies that can present hazards if handled incorrectly, particularly by unqualified or
inexperienced personnel. Users of this document are encouraged to carry out proper risk
assessments and pay due regard to local regulations before undertaking any of the test
procedures. Electrical equipment for measurements shall comply with the safety requirements
specified in IEC 61010-1 and IEC 61010-2-030.
4.3.3 Corona charge deposition
Replace the second paragraph of 4.3.3 with the following new text:
The corona duration shall be no more than 50 ms, and 10 ms or 20 ms is usually appropriate in
order to achieve an adequate initial peak voltage for measurements. Excessively long
deposition times (more than some seconds) can damage the material.
4.3.4 Fieldmeter
Replace the third paragraph of 4.3.4 with the following new text:
...
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