IEC 61340-2-3:2016
(Main)Electrostatics - Part 2-3: Methods of test for determining the resistance and resistivity of solid materials used to avoid electrostatic charge accumulation
Electrostatics - Part 2-3: Methods of test for determining the resistance and resistivity of solid materials used to avoid electrostatic charge accumulation
IEC 61340-2-3:2016 describes test methods for the determination of the electrical resistance and resistivity of solid materials used to avoid electrostatic charge accumulation, in which the measured resistance is in the range 10K Ohm to 1T Ohm. It takes account of existing IEC/ISO standards and other published information, and gives recommendations and guidelines on the appropriate method. This edition includes the following significant technical changes with respect to the previous edition:
a) a distinction has been introduced between instrumentation used for laboratory evaluations, instrumentation used for acceptance testing and instrumentation used for compliance verification (periodic testing);
b) an alternative electrode assembly is described, which can be used on non-planar products or when the dimensions of the product under test are too small to allow the larger electrode assembly to be used;
c) the formulae for calculating surface and volume resistivity have been modified to correspond with common industry practice in the main areas of application for the IEC 61340 series.
The contents of the corrigendum of July 2023 have been included in this copy.
Electrostatique - Partie 2-3: Méthodes d'essais pour la détermination de la résistance et de la résistivité des matériaux solides destinés à éviter les charges électrostatiques
L'IEC 61340-2-3:2016 décrit les méthodes d'essai permettant de déterminer la résistance électrique et la résistivité des matériaux solides utilisés pour éviter les charges électrostatiques, pour lesquels la résistance mesurée se trouve dans la plage comprise entre 10K Ohm et 1T Ohm. Elle prend en compte les normes IEC/ISO existantes et autres publications applicables. Elle fournit aussi des recommandations et des lignes directrices sur la méthode appropriée. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) une distinction a été introduite entre l'instrumentation utilisée pour les évaluations en laboratoire, l'instrumentation utilisée pour les essais d'approbation et l'instrumentation utilisée pour la vérification de la conformité (essais périodiques);
b) un autre ensemble d'électrodes est décrit, qui peut être utilisé sur les produits non planaires ou lorsque les dimensions du produit à l'essai sont trop petites pour permettre l'utilisation de l'ensemble d'électrodes plus grand;
c) les formules de calcul de la résistivité transversale et de la résistivité superficielle ont été modifiées afin de correspondre à la pratique courante du secteur dans les principaux domaines d'application de la série IEC 61340.
Le contenu du corrigendum de juillet 2023 a été pris en considération dans cet exemplaire.
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IEC 61340-2-3 ®
Edition 2.0 2016-06
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Electrostatics –
Part 2-3: Methods of test for determining the resistance and resistivity of
solid planar materials used to avoid electrostatic charge accumulation
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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International Standards for all electrical, electronic and related technologies.
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IEC 61340-2-3 ®
Edition 2.0 2016-06
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Electrostatics –
Part 2-3: Methods of test for determining the resistance and resistivity of
solid planar materials used to avoid electrostatic charge accumulation
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 17.220.99; 29.020 ISBN 978-2-8322-3499-0
– 2 – IEC 61340-2-3:2016 RLV © IEC 2016
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Conditioning and test environment . 9
5 Selection of test method . 10
6 Resistance measurements of for solid conductive materials. 10
7 Resistance measurements of for solid insulating materials . 10
8 Resistance measurements of for planar electrostatic dissipative materials (used to
avoid electrostatic charge accumulation) . 11
8.1 Instrumentation . 11
8.1.1 General. 11
8.1.2 Instrumentation for laboratory evaluation . 11
8.1.3 Instrumentation for acceptance testing . 11
8.1.4 Instrumentation for compliance verification (periodic testing) . 11
8.2 Electrode assemblies . 12
8.2.1 General. 12
8.2.2 Assembly for the measurement of surface resistance . 12
8.2.3 Assembly for the measurement of volume resistance . 13
8.2.4 Assembly for the measurement of resistance to ground/groundable
point and point-to-point resistance . 13
8.2.5 Test support . 14
8.3 Sample preparation and handling . 15
8.4 System verification fixtures for surface resistance .
8.4 Test procedures . 16
8.4.1 Surface resistance measurements . 16
8.4.2 Volume resistance measurements. 17
8.4.3 Resistance to groundable point measurements . 17
8.4.4 Point-to-point resistance measurements . 18
8.5 System verification for volume resistance measurements .
9 Conversion to resistivity values . 19
9.1 Surface resistivity ρ . 19
s
9.2 Volume resistivity ρ . 19
v
10 Resistance measurements for non-planar materials and products with small
structures . 20
10.1 General considerations . 20
10.2 Equipment . 20
10.2.1 Probe . 20
10.2.2 Sample support surface . 22
10.2.3 Resistance measurement apparatus . 22
10.2.4 Test leads . 23
10.3 Test procedure . 24
11 Repeatability and reproducibility . 24
12 Test report . 25
–
Annex A (normative) System verification . 27
A.1 System verification for surface resistance measurements . 27
A.1.1 Fixture and procedure for lower resistance range . 27
A.1.2 Fixture and procedure for upper resistance range and determination of
electrification period . 28
A.2 System verification for volume resistance measurements . 29
A.2.1 Fixture and procedure for lower resistance range . 29
A.2.2 Fixture and procedure for upper resistance range and determination of
electrification period . 29
A.3 System verification for resistance measurements for non-planar materials
and products with small structures . 29
A.3.1 Verification fixtures . 29
A.3.2 Verification procedure . 30
Figure 1 – Example of an assembly for the measurement of surface and volume
resistance . 13
Figure 2 – Example of an assembly for the measurement of resistance to
ground/groundable point and point-to-point resistance . 14
Figure 2 – Basic connections of the electrodes for surface resistance measurements . 16
Figure 3 – Basic connections of the electrodes for volume resistance measurements . 17
Figure 4 – Principle of resistance to groundable point measurements . 18
Figure 5 – Principle of point-to-point measurements . 19
Figure 6 – Configuration for the conversion to surface or volume resistivity . 20
Figure 8 – Two-point probe configuration . 22
Figure 9 – Probe to instrumentation connection . 23
Figure 10 – Spring compression for measurement . 24
Figure A.1 – Lower resistance range verification fixture for surface resistance
measurements . 27
Figure A.3 – Resistance verification fixture . 30
Table 1 – Material for two-point probe . 21
– 4 – IEC 61340-2-3:2016 RLV © IEC 2016
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ELECTROSTATICS –
Part 2-3: Methods of test for determining the resistance
and resistivity of solid planar materials used
to avoid electrostatic charge accumulation
FOREWORD
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6) All users should ensure that they have the latest edition of
...
IEC 61340-2-3 ®
Edition 2.0 2016-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electrostatics –
Part 2-3: Methods of test for determining the resistance and resistivity of solid
materials used to avoid electrostatic charge accumulation
Électrostatique –
Partie 2-3: Méthodes d'essais pour la détermination de la résistance et de la
résistivité des matériaux solides destinés à éviter les charges électrostatiques
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
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Switzerland www.iec.ch
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 corrigenda or an amendment might have been published.
IEC Catalogue - webstore.iec.ch/catalogue Electropedia - www.electropedia.org
The stand-alone application for consulting the entire The world's leading online dictionary of electronic and
bibliographical information on IEC International Standards, electrical terms containing 20 000 terms and definitions in
Technical Specifications, Technical Reports and other English and French, with equivalent terms in 15 additional
documents. Available for PC, Mac OS, Android Tablets and languages. Also known as the International Electrotechnical
iPad. Vocabulary (IEV) online.
IEC publications search - www.iec.ch/searchpub IEC Glossary - std.iec.ch/glossary
The advanced search enables to find IEC publications by a 65 000 electrotechnical terminology entries in English and
variety of criteria (reference number, text, technical French extracted from the Terms and Definitions clause of
committee,…). It also gives information on projects, replaced IEC publications issued since 2002. Some entries have been
and withdrawn publications. collected from earlier publications of IEC TC 37, 77, 86 and
CISPR.
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IEC 61340-2-3 ®
Edition 2.0 2016-06
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Electrostatics –
Part 2-3: Methods of test for determining the resistance and resistivity of solid
materials used to avoid electrostatic charge accumulation
Électrostatique –
Partie 2-3: Méthodes d'essais pour la détermination de la résistance et de la
résistivité des matériaux solides destinés à éviter les charges électrostatiques
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.220.99; 29.020 ISBN 978-2-8322-3475-4
– 2 – IEC 61340-2-3:2016 © IEC 2016
CONTENTS
FOREWORD .4
INTRODUCTION .6
1 Scope .7
2 Normative references .7
3 Terms and definitions .7
4 Conditioning and test environment .9
5 Selection of test method .9
6 Resistance measurements for solid conductive materials . 10
7 Resistance measurements for solid insulating materials . 10
8 Resistance measurements for planar electrostatic dissipative materials (used to
avoid electrostatic charge accumulation) . 10
8.1 Instrumentation . 10
8.1.1 General . 10
8.1.2 Instrumentation for laboratory evaluation . 10
8.1.3 Instrumentation for acceptance testing . 10
8.1.4 Instrumentation for compliance verification (periodic testing) . 11
8.2 Electrode assemblies . 11
8.2.1 General . 11
8.2.2 Assembly for the measurement of surface resistance. 11
8.2.3 Assembly for the measurement of volume resistance . 12
8.2.4 Assembly for the measurement of resistance to ground/groundable
point and point-to-point resistance . 12
8.2.5 Test support . 13
8.3 Sample preparation and handling . 13
8.4 Test procedures . 14
8.4.1 Surface resistance measurements . 14
8.4.2 Volume resistance measurements . 14
8.4.3 Resistance to groundable point measurements . 15
8.4.4 Point-to-point resistance measurements . 16
9 Conversion to resistivity values . 17
9.1 Surface resistivity ρ . 17
s
9.2 Volume resistivity ρ . 17
v
10 Resistance measurements for non-planar materials and products with small structures
................................................................................................................................... 18
10.1 General considerations . 18
10.2 Equipment . 18
10.2.1 Probe . 18
10.2.2 Sample support surface . 20
10.2.3 Resistance measurement apparatus . 20
10.2.4 Test leads . 21
10.3 Test procedure . 22
11 Repeatability and reproducibility . 22
12 Test report . 23
Annex A (normative) System verification . 25
A.1 System verification for surface resistance measurements . 25
–
A.1.1 Fixture and procedure for lower resistance range . 25
A.1.2 Fixture and procedure for upper resistance range and determination of
electrification period . 26
A.2 System verification for volume resistance measurements . 27
A.2.1 Fixture and procedure for lower resistance range . 27
A.2.2 Fixture and procedure for upper resistance range and determination of
electrification period . 27
A.3 System verification for resistance measurements for non-planar materials
and products with small structures . 27
A.3.1 Verification fixtures . 27
A.3.2 Verification procedure . 28
Figure 1 – Example of an assembly for the measurement of surface and volume
resistance. 12
Figure 2 – Example of an assembly for the measurement of resistance to
ground/groundable point and point-to-point resistance . 13
Figure 3 – Basic connections of the electrodes for surface resistance measurements . 14
Figure 4 – Basic connections of the electrodes for volume resistance measurements . 15
Figure 5 – Principle of resistance to groundable point measurements . 16
Figure 6 – Principle of point-to-point measurements . 17
Figure 7 – Configuration for the conversion to surface or volume resistivity . 18
Figure 8 – Two-point probe configuration . 20
Figure 9 – Probe to instrumentation connection . 21
Figure 10 – Spring compression for measurement . 22
Figure A.1 – Lower resistance range verification fixture for surface resistance
measurements . 25
Figure A.2 – Upper resistance range verification fixture for surf
...
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