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GB/T 37977.46-2024 English PDF

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GB/T 37977.46-2024: Electrostatics - Part 4-6: Standard test methods for specific applications - Wrist straps
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GB/T 37977.46-2024English394 Add to Cart 4 days [Need to translate] Electrostatics - Part 4-6: Standard test methods for specific applications - Wrist straps Valid GB/T 37977.46-2024

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Basic data

Standard ID GB/T 37977.46-2024 (GB/T37977.46-2024)
Description (Translated English) Electrostatics - Part 4-6: Standard test methods for specific applications - Wrist straps
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard L04
Word Count Estimation 20,285
Date of Issue 2024-08-23
Date of Implementation 2024-08-23
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 37977.46-2024: Electrostatics - Part 4-6: Standard test methods for specific applications - Wrist straps


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Electrostatics - Part 4-6.Standard test methods for specific applications - Wrist straps Electrostatics Part 4﹘6.Electrostatics for specific applications Standard test method for wrist straps Electrostatics-Part 4﹘6.Standard test methods for specific applications- Wrist straps (IEC 61340﹘4﹘6.2015,IDT) ICS 17.220.20 CCS L 04 National Standard of the People's Republic of China Released on 2024-08-23 2025-03-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface ... Ⅲ Introduction ... Ⅳ 1 Scope ... 1 2 Normative references ... 1 3 Terms and Definitions ... 1 4 Test levels and performance limits 2 5 Test methods ... 3 5.1 Use of the test method 3 5.2 Wrist strap continuity and resistance test 3 5.3 Wristband resistance test 5 5.4 Wristband size requirements ... 5 5.5 Separation force 6 5.6 Continuous Integrity 6 5.7 Ductility of grounding wire 7 5.8 Bending life test ... 7 5.9 Manufacturer Identification ... 9 5.10 Identification of non-standard resistance values 9 5.11 Resistance of wrist strap 9 5.12 Wrist strap system continuity test 9 References ... 12

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document is part 4-6 of GB/T 37977 "Electrostatics". GB/T 37977 has published the following parts. Part 2﹘1.Test methods for electrostatic charge dissipation capability of materials and products; Part 2﹘3.Test methods for resistance and resistivity of antistatic solid planar materials; Part 3﹘2.Simulation methods for electrostatic effects Electrostatic discharge test waveforms for machine models (MM); Part 4﹘1.Standard test method for electrical resistance of floor coverings and assembled floors in specific applications; Part 4﹘3.Standard test methods for specific applications Footwear; - Part 4﹘5.Standard test methods for characterization of electrostatic protection properties of man/shoe/ground systems in specific applications; Part 4﹘6.Standard test methods for wrist straps for specific applications; Part 4﹘8.Standard test methods for electrostatic discharge shielding bags for specific applications; Part 4﹘9.Standard test methods for clothing for specific applications; - Part 5﹘1.General requirements for electrostatic protection of electronic devices. - This document is equivalent to IEC 61340﹘4﹘6.2015 "Electrostatics Part 4﹘6.Standard test method wrist strap for specific applications". This document adds a chapter on “Normative References”. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the Ministry of Industry and Information Technology of the People's Republic of China. This document was drafted by. China Electronics Technology Standardization Institute, Suzhou Tianhua New Energy Technology Co., Ltd., Guangzhou CESI Standard Testing Research Institute Co., Ltd., Shanghai Best Electronic Engineering Co., Ltd., Shenzhen CESI Information Technology Co., Ltd., Huizhou Huayang General Electronics Co., Ltd., Shenzhen Zhongming Technology Co., Ltd., Fujian Jinde Quality Inspection Technology Service Co., Ltd., Dongguan Zixin Technology Co., Ltd. Beijing Oriental Metrology and Testing Institute, BOE Jingxin Technology Co., Ltd., Shanghai Maritime University, SGS-CSTC Standards Technical Services Co., Ltd. Guangzhou Branch. The main drafters of this document are. Liu Zhe, Li Xuewen, Chen Meishuang, Zhu Xuemei, Wang Ronggang, Sun Keping, Cai Lihua, Wu Shuwang, Han Lingling, Wang Han, Ke Zhangjie, Su Yuling, Mei Gaofeng, Chen Xiangyi, Zhi Weizhao, Zhou Gang, Sun Siyu, Qiao Changjun, Sun Junjuan, Chen Zhiyuan and Zhu Xiudong.

Introduction

GB/T 37977 "Electrostatics" is the basic standard for electrostatics. It adopts the IEC 61340 series of international standards and aims to define the electrostatic effect. Simulation methods, anti-static parameter test methods for anti-static materials and products, standard test methods in specific applications, and electrostatic Protection, etc. GB/T 37977 is intended to consist of the following parts. Part 2﹘1.Test methods for the electrostatic charge dissipation capability of materials and products. The purpose is to specify test methods for testing insulation and the electrostatic charge dissipation capabilities of static dissipative materials and products. Part 2﹘3.Test methods for resistance and resistivity of antistatic solid planar materials. Test the resistance and resistivity of anti-static solid flat materials. The applicable range of the measured resistance is 104 Ω~1012 Ω. Part 3﹘2.Electrostatic discharge test waveform for machine model (MM) simulation method of electrostatic effects. Basic requirements for electrostatic discharge current waveforms used to simulate MM and the equipment used to generate and verify these waveforms. Part 4﹘1.Standard test methods for electrical resistance of floor coverings and assembled floors in specific applications. The purpose is to specify the test Method for testing the resistance of floor coverings and assembled floors, including resistance to ground, point-to-point resistance and vertical resistance, is The applicable range of resistance measurement is 104 Ω~1013 Ω. Part 4﹘3.Standard test methods for footwear in specific applications. The purpose is to specify test methods for testing anti-static footwear resistance. Part 4﹘4.Standard test method for static classification of flexible bulk containers (FIBC) for specific applications. The purpose is to specify Requirements for flexible bulk containers (FIBC) with a volume of 0.25 m3 to 3 m3 used in hazardous explosive atmospheres. Part 4﹘5.Standard test methods for characterization of electrostatic protection properties of man/shoe/ground systems in specific applications. Specifies test methods for evaluating the antistatic performance of man/shoe/floor systems. Part 4﹘6.Standard test methods for wrist straps in specific applications. The purpose is to clarify the electrical and mechanical performance requirements of wrist straps. and test methods for testing these properties. Part 4﹘8.Standard test methods for electrostatic discharge shielding bags in specific applications. The purpose is to provide evaluation of electrostatic discharge shielding Test methods for bag properties. Part 4﹘9.Standard test methods for clothing for specific applications. The purpose is to specify test methods for testing antistatic clothing Installed resistor. Part 5﹘1.General requirements for electrostatic protection of electronic devices. The purpose is to establish anti-static management and technical requirements to avoid or Reduce damage to electronic products caused by electrostatic discharge. Part 5﹘4.Compliance verification of electrostatic protection of electronic devices. The purpose is to propose technical items involved in the electrostatic control program. Purpose. Conformity verification test method. Part 6﹘1.General requirements for electrostatic control facilities in medical facilities. The purpose is to specify the equipment, Material and product requirements. This document describes test methods for evaluating the electrical and mechanical properties of wrist straps used in static control programs. grounding to prevent static electricity from building up on the user's body and potentially damaging electrostatic discharge (ESD) sensitive devices and components. This document provides the test methods and limits used during evaluation, acceptance and functional testing. Electrostatics Part 4﹘6.Electrostatics for specific applications Standard test method for wrist straps

1 Scope

This document, as part of the standard test methods for specific applications in the GB/T 37977 series, provides electrical and mechanical test methods for wrist straps. Methods and performance limit requirements are used for the evaluation, acceptance and periodic inspection of wrist straps. Note. All dimensions are nominal unless otherwise specified. This document applies to the testing of wrist straps and wrist strap systems used by personnel who come into contact with electrostatic discharge (ESD) sensitive components and devices. With system ground. This document does not address continuous monitoring systems.

2 Normative references

This document has no normative references.

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 wrist strap A device consisting of a wrist loop and grounding wire used to ground a person's skin. 3.2 wrist strap system When a person wears a wrist strap correctly, the electrical path is the human body, the wrist strap, and the ground wire. 3.3 Wristband The part of the wristband that is worn on the wrist. NOTE. The looped strap worn around the wrist maintains electrical contact with the human skin. 3.4 Ground cord The part of the wristband that provides electrical connection between the wristband and ground and allows for free movement. 3.5 evaluation testing The wrist straps were tested to determine their electrical and mechanical performance. Note. The laboratory test data shall prevail. 3.6 Acceptance testing Acceptance test to confirm that marking and electrical functions are correct. NOTE. Data are in the form of visual inspection records and numerical values or pass/fail designations.

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