WG 5 - TC 101/WG 5

IEC 61340-4-7:2025 provides test methods and procedures for evaluating and selecting air ionization equipment and systems (ionizers). This document establishes measurement techniques, under specified conditions, to determine offset voltage (ion balance) and decay (charge neutralization) time for ionizers. This document does not include measurements of electromagnetic interference (EMI), or the use of ionizers in connection with ordnance, flammables, explosive items or electrically initiated explosive devices. As contained in this document, the test methods and test conditions can be used by manufacturers of ionizers to provide performance data describing their products. Users of ionizers are urged to modify the test methods and test conditions for their specific application in order to qualify ionizers for use, or to make periodic verifications of ionizer performance. The user will decide the extent of the data required for each application.
This edition includes the following significant technical changes with respect to the previous edition:
a) in Figure 5, a NOTE 3 was added to clarify that for AC bars and grids, a single emitter alternating between +/− polarity is used;
b) in Annex B, the relative error for measurement equipment was updated to include the consideration for the resolution of the voltmeter.

IEC TS 61340-5-6:2025 establishes a set of methodologies, techniques, and instruments to characterize a process where electrostatic discharge (ESD) sensitive items (ESDS) are handled. ESD risk assessment covers risks by charged personnel, ungrounded conductors, charged ESDS, charged insulators, and ESDS in an electrostatic field. This document applies to activities that manufacture, process, assemble, install, package, label, service, test, inspect, transport, or otherwise handle electrical or electronic parts, assemblies, and equipment susceptible to damage by electrostatic discharges. This document does not apply to electrically initiated explosive items, flammable gases and liquids or powders. The document does not address program management, compliance verification or program manager/coordinator certification. Risks due to electromagnetic sources that produce AC fields are not considered. This document cancels and replaces IEC PAS 61340-5-6 published in 2022. This first edition constitutes a technical revision.

IEC 61340-4-6:2025 provides electrical and mechanical test methods and performance limits for the evaluation, acceptance, and periodic verification testing of wrist straps. This document is intended for testing wrist straps and wrist strap systems used for the grounding of personnel engaged in working with ESD sensitive assemblies and devices. It does not address constant monitoring systems.
This edition includes the following significant technical changes with respect to the previous edition:
a) editorial comments made during the review of the second edition were reviewed and incorporated where appropriate;
b) normative references have been added to address the safety of equipment.

IEC 61340-4-9:2024 provides test methods for measuring the electrical resistance of garments used for static control applications. These test methods can be used for evaluating outer garments that are homogenously conductive or homogeneously dissipative, or that utilize surface conductive or surface dissipative components or elements.
NOTE It is possible that the test methods defined in this document will not be able to measure materials with buried conductive layers.
This third edition includes the following significant technical changes with respect to the previous edition:
a) IEC 61010-1 and IEC 61010-2-030 added as requirements for measurement equipment;
b) testing voltage range for personnel ground path changed from "7 V DC to 30 V DC" to "7 V DC to 100 V DC";
c) cleaning requirements changed from a minimum of five cycles of cleaning to a minimum of three cycles of cleaning;
d) moderate humidity requirements deleted;
e) figures replaced with generic drawings.

IEC 61340-5-1:2024 applies to organizations that: manufacture, process, assemble, install, package, label, service, test, inspect, transport, or otherwise handle electrical or electronic parts, assemblies and equipment with withstand voltages greater than or equal to 100 V human body model (HBM) and 200 V charge device model (CDM). Also, protection from isolated conductors is addressed by limiting the voltage on isolated conductors to less than 35 V. ESDS with lower withstand voltages can require additional control elements or adjusted limits. Processes designed to handle items that have lower ESD withstand voltage(s) can still claim compliance to this document. This document provides the requirements for an ESD control program. IEC TR 61340-5-2 provides guidance on the implementation of this document. This document does not apply to electrically initiated explosive devices, flammable liquids, gases, and powders. The purpose of this document is to provide the administrative and technical requirements for establishing, implementing, and maintaining an ESD control program (hereinafter referred to as the “program”). This edition includes the following significant technical changes with respect to the previous edition:
a) definitions have been added to the document;
b) updates to product qualification requirements;
c) subclause 5.3.3 now includes a reference to groundable static control garment systems;
d) Table 2 was replaced;
e) subclause 5.3.4.2 was updated to define what an insulator is;
f) subclause 5.3.4.3 was updated to include a definition for isolated conductor;
g) Table 3 was updated, technical items added, including a reference to IEC 61340-5-4 for compliance verification testing;
h) Table 4 was added as a summary of the requirements in IEC 61340-5-3 and to include requirements for compliance verification of packaging;
i) Annex A was replaced: the former Annex is no longer required. Annex A are examples of tailoring.

IEC TS 61340-5-4:2021(E) describes compliance verification testing for technical items that are included in ESD control programs, such as those specified in IEC 61340-5-1.
Test methods are based on those specified in IEC 61340-5-1 and other parts of the IEC 61340 series, and are simplified where necessary for the purposes of compliance verification, to be performed by competent personnel.
Users can, by reference to this document in their compliance verification plan, adopt the necessary test methods described herein without change or addition. Alternatively, test methods described in this document can be adapted to match the requirements of their own ESD control program, provided deviations in equipment or procedure are documented in their compliance verification plan.
Compliance verification test frequency is not specified in this document. Guidance on how users can consider compliance verification test frequency is given in informative Annex A.
Product qualification is excluded from the scope of this document.
This first edition cancels and replaces IEC TR 61340-5-4 published in 2019. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC TR 61340­5-4:
test methods in the main body of the document have been made normative, and consequently normative references have been added;
the term "ESD ground" has been added and defined;
description of equipment for measuring low resistance has been added;
user specified electrodes, including surface resistance bar electrodes, are permitted to be used for resistance measurements;
an informative annex on verification of compliance verification test equipment has been added;
compliance verification of person-footwear-flooring systems by measuring body voltage has been moved to an informative annex.

IEC TR 61340-5-2:2018, which has been developed to support IEC 61340-5-1, applies to activities that: manufacture, process, assemble, install, package, label, service, test, inspect, transport or otherwise handle electrical or electronic parts, assemblies and equipment with withstand voltages greater than or equal to 100 V HBM, 200 V CDM and 35 V for isolated conductors. Additional control elements or adjusted limits can be applicable for ESDS with lower withstand voltages. This second edition of IEC TR 61340-5-2 has been modified to provide guidance for users of IEC 61340-5-1:2016. The text has been arranged to follow the requirements of IEC 61340‑5‑1:2016 as closely as possible as well as providing specific guidance on each of the requirements of IEC 61340-5-1:2016.

IEC 61340-4-7:2017 provides test methods and procedures for evaluating and selecting air ionization equipment and systems (ionizers).
This document establishes measurement techniques, under specified conditions, to determine offset voltage (ion balance) and decay (charge neutralization) time for ionizers. This document does not include measurements of electromagnetic interference (EMI), or the use of ionizers in connection with ordnance, flammables, explosive items or electrically initiated explosive devices. As contained in this document, the test methods and test conditions can be used by manufacturers of ionizers to provide performance data describing their products. Users of ionizers are urged to modify the test methods and test conditions for their specific application in order to qualify ionizers for use, or to make periodic verifications of ionizer performance. The user will decide the extent of the data required for each application. This edition includes the following significant technical changes with respect to the previous edition:
- the use of contacting plate voltage measurements in addition to the previous non-contacting plate voltage measurements has been added. Charged plate monitors (CPMs) using this technology have been in use in the industry for many years.

IEC 61340-5-1:2016 applies to activities that: manufacture, process, assemble, install, package, label, service, test, inspect, transport or otherwise handle electrical or electronic parts, assemblies and equipment with withstand voltages greater than or equal to 100 V HBM, 200 V CDM and 35 V for isolated conductors. ESDS with lower withstand voltages may require additional control elements or adjusted limits. Processes designed to handle items that have lower ESD withstand voltage(s) can still claim compliance to this standard. This standard provides the requirements for an ESD control program. IEC TR 61340-5-2 [9] provides guidance on the implementation of this standard. This standard does not apply to electrically initiated explosive devices, flammable liquids, gases and powders. The purpose of this standard is to provide the administrative and technical requirements for establishing, implementing and maintaining an ESD control program (hereinafter referred to as the "program"). This edition includes the following significant technical changes with respect to the previous edition:
a) Technical requirements were changed to align IEC 61340-5-1 with other industry ESD standards;
b) Reference documents were updated to reflect newly released IEC standards;
c) A section on product qualification was added;
d) Table 4 was deleted and detailed packaging requirements were deferred to IEC 61340-5-3;
e) Clause A.1 was removed and is now included in IEC 61340-4-6.
The contents of the corrigendum of May 2017 have been included in this copy.

IEC 61340-4-9:2016 provides test methods for evaluating the electrical resistance of garments that contain surface conductive or dissipative components or materials used in the electronics industry for the control of electrostatic discharge. This standard defines procedures for measuring electrical resistance, including a system resistance test for garments that provide a ground path for personnel. This edition includes the following significant technical changes with respect to the previous edition:
a) classification of three types of garments
- static control garments,
- groundable static control garments, and
- groundable static control garment system;
b) additional measurements according to the the garment type including cuff measurements, panel to groundable point, testing with a person in the garment system;
c) sleeve to sleeve measurements allowed with probes or by hanging;
d) additional recommended values for new garment types as set out in Annex A.

IEC 61340-4-6:2015 provides electrical and mechanical test methods and performance limits for evaluation, acceptance and periodic verification testing of wrist straps. This standard is intended for testing wrist straps and wrist strap systems used for the grounding of personnel engaged in working with ESD sensitive assemblies and devices. It does not address constant monitoring systems. This edition includes the following significant technical changes with respect to the previous edition:
a) editorial comments made during the review of the first edition were reviewed and incorporated where appropriate;
b) several changes were made to update the Figures and improve the presentation of metric measurements (Imperial measurements have been removed);
c) the option of using an integrated checker for wrist strap system continuity testing has been added;
d) the evaluation and acceptance limit for wrist strap resistance has been changed so as to harmonize with IEC 61340-5-1.

IEC 61340-4-8:2014 provides a test method for evaluating the performance of electrostatic discharge shielding bags tested according to the requirements of IEC 61340-5-3. The design voltage for the test apparatus is 1 000 V d.c. The test method presented in this standard can also be applied to packaging other than shielding bags. The purpose of this standard is to ensure that testing laboratories who use this test method to evaluate a given packaging material will obtain similar results. This standard does not address protection from electromagnetic interference (EMI), radio frequency interference (RFI), electromagnetic pulsing (EMP) nor protection against volatile materials. This edition includes the following significant technical changes with respect to the previous edition:
a) modification to the title to include the word "Electrostatic" before discharge shielding";
b) removal of normative references ANSI/ESD STM5.1 and ASTM D-257-78 and replaced by normative references IEC 61340-3-1 and IEC 60093;
c) new normative reference to IEC 61340-5-3 added, because the requirement for shielding bags have been included in this standard;
d) imperial units have been removed.

IEC 61340-4-7:2010 provides test methods and procedures for evaluating and selecting air ionization equipment and systems (ionizers). This standard establishes measurement techniques, under specified conditions, to determine offset voltage (ion balance) and discharge (charge neutralization) time for ionizers. This standard does not include measurements of electromagnetic interference (EMI), or uses of ionizers in connection with ordnance, flammables, explosive items or electrically initiated explosive devices.

IEC 61340-4-9:2010 provides specific test methods for evaluating electrical resistance of static control garments. This part defines the test methods for determining the electrical resistance from sleeve-to-sleeve and point-to-point of static control garments. The test methods defined in this standard utilize standard instruments to measure the resistance of static control garments. These methods are intended as qualification test procedures. They can also be used as periodic tests to ensure ongoing electrical integrity of the garment under ambient conditions.

IEC 61340-4-6:2010 provides electrical and mechanical test methods and performance limits for evaluation, acceptance and functional testing of wrist straps. This standard is intended for testing wrist straps and wrist strap systems used for the grounding of personnel engaged in working with ESD sensitive assemblies and devices. It does not address constant monitoring systems.

IEC 61340-4-8:2010 provides a test method for evaluating the performance of electrostatic discharge shielding bags. The design voltage for the test apparatus is 1 000 V. The purpose of this standard is to ensure that testing laboratories who use this test method to evaluate a given packaging material will obtain similar results.

This technical report has been developed to support IEC 61340-5-1. The controls and limits referenced in IEC 61340-5-1 were developed to protect devices that are susceptible to discharges of 100 V or greater using the human body model test method. However, the general concepts are still valid for devices that are susceptible to discharges of less than 100 V. The main changes with respect to the previous edition are listed below: This version has been modified to provide guidance for users of IEC 61340-5-1. The text has been arranged to follow the requirements of IEC 61340-5-1 as closely as possible as well as providing specific guidance on each of the requirements of IEC 61340-5-1. The contents of the corrigendum of May 2009 have been included in this copy.

Applies to activities that: manufacture, process, assemble, install, package, label, service, test, inspect, transport or otherwise handle electrical or electronic parts, assemblies and equipment susceptible to damage by electrostatic discharges greater than or equal to 100 V human body model (HBM). Provides the requirements for an ESD control program. The user should refer to IEC 61340-5-2 for guidance on the implementation of this standard. Does not apply to electrically initiated explosive devices, flammable liquids, gases and powders. The purpose of this standard is to provide the administrative and technical requirements for establishing, implementing and maintaining an ESD control program (hereinafter referred to as the "program"). The main changes with respect to the previous edition are listed below: This version of IEC 61340-5-1 focuses on the requirements for an ESD control program. In addition, this version of IEC 61340-5-1 has been aligned with other major ESD control program standards used throughout the world.

IEC TR 61340-5-4:2019(E) describes compliance verification testing for technical items that are included in ESD control programs, such as those specified in IEC 61340-5-1.
Test methods, in the main body of this document, are based on those specified in IEC 61340-5-1 and other parts of IEC 61340, and are simplified where necessary for the purposes of compliance verification, to be performed by competent personnel.
Additional compliance verification tests and procedures within the scope of this document are described in Annexes B to G.
Users can, by reference to this document in their compliance verification plan, adopt the necessary test methods described herein without change or addition. Alternatively, tests methods described in this document can be adapted to match the requirements of their own ESD control program, provided deviations in equipment or procedure are documented in their compliance verification plan.
Product qualification is excluded from the scope of this document.

IEC 61340-4-10:2012 provides a test method to measure the resistance between two points on an item's surface.

Covers the protection from electrostatic discharge (ESD) damage of all electronic devices (components, assemblies and sub-assemblies) with voltage sensitivity of not lower than 100 V throughout their entire life. This is from the commencement of manufacture, through product assembly, product use and possible repair until the end of the product life. Is to be read in conjunction with IEC 61340-5-1.