GB/T 2423.27-2020 English PDF (GBT2423.27-2020)

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GB/T 2423.27-2020: Environmental testing - Part 2: Test methods - Test method and guidance: Combined temperature or temperature and humidity with low air pressure tests
GB/T 2423.27-2020
Environmental testing - Part 2.Test methods - Test method and guidance. Combined temperature or temperature and humidity with low air pressure tests
ICS 19.040
K04
National Standards of People's Republic of China
Replace GB/T 2423.25-2008, GB/T 2423.26-2008, GB/T 2423.27-2005
Environmental testing Part 2.Test methods
Test methods and guidelines. temperature/low pressure or
Temperature/humidity/low air pressure comprehensive test
2020-06-02 released
2020-12-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Test method 1
5 Final inspection 6
6 Information that should be given by relevant specifications 6
7 Information to be given in the test report 6
Appendix A (informative appendix) Temperature/low pressure or temperature/humidity/low pressure comprehensive test guide 8
Appendix NA (informative appendix) GB/T 2423 component 9
Reference 12
Preface
GB/T 2423 "Environmental Testing Part 2.Test Methods" is divided into several parts according to the test methods.
Refer to Appendix NA for the components of GB/T 2423.
This part is part 27 of GB/T 2423.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 2423.25-2008 "Environmental Testing of Electrical and Electronic Products Part 2.Test Method Test Z/AM. Low
Temperature/low pressure comprehensive test", GB/T 2423.26-2008 "Environmental test of electrical and electronic products Part 2.Test method test Z/
BM. High temperature/low air pressure comprehensive test and GB/T 2423.27-2005 "Environmental testing of electrical and electronic products Part 2.Test methods
Test Z/AMD. Low temperature/low air pressure/humid heat continuous comprehensive test".
Compared with GB/T 2423.25-2008, GB/T 2423.26-2008 and GB/T 2423.27-2005, the main technical changes in this part are as follows.
---Combined the main technical aspects of GB/T 2423.25-2008, GB/T 2423.26-2008 and GB/T 2423.27-2005
Content and rearrange the structure of this part;
--- Deleted the "general description of the test", "description of the test equipment" and other aspects;
--- Deleted the distinction between heat dissipation test samples and non-heat dissipation test samples in the test;
---Added Appendix A "Temperature/Low Pressure or Temperature/Humidity/Low Pressure Comprehensive Test Guide".
The translation method used in this part is equivalent to the use of IEC 60068-2-39.2015 Environmental Testing Part 2-39.Test Test Methods and Guidance
Then. temperature/low pressure or temperature/humidity/low pressure comprehensive test".
The Chinese documents that have a consistent correspondence with the international documents cited in this section are as follows.
---GB/T 2421-2020 Environmental Test Overview and Guidelines (IEC 60068-1.2013, IDT)
---GB/T 2423.3-2016 Environmental Test Part 2.Test Method Test Cab. Constant Humidity Test (IEC 60068-
2-78.2012, IDT)
Compared with IEC 60068-2-39.2015, this part mainly makes the following editorial changes.
---The name of this part is changed to "Environmental Testing Part 2.Test Methods, Test Methods and Guidelines. Temperature/Low Pressure or Temperature/Humidity
Degree/low air pressure comprehensive test";
---Informative appendix NA "Components of GB/T 2423" has been added.
This part is proposed and managed by the National Standardization Technical Committee on Environmental Conditions and Environmental Tests for Electrical and Electronic Products (SAC/TC8).
Drafting organizations of this section. China Electrical Equipment Research Institute Co., Ltd., Shenzhen Urit Testing Technology Co., Ltd., AVIC Great Wall
Metrology and Testing (Tianjin) Co., Ltd., Guangzhou Power Supply Bureau Co., Ltd. Electric Power Test Research Institute, Wuxi Soyat Test Equipment Co., Ltd., Jiangsu
Topmilo Environmental Testing Equipment Co., Ltd., Nanjing Wuhe Testing Equipment Co., Ltd., Chongqing Hongrui Testing Instrument Co., Ltd., Guangdong Midea Health
Huo Electric Manufacturing Co., Ltd., Bell Laboratory Equipment Jiangsu Co., Ltd., Zhejiang Institute of Metrology, Fujian Xinneng Offshore Wind Power Research Institute
Development Center Co., Ltd., Shanghai Institute of Metrology and Testing Technology, Shenzhen Institute of Metrology and Quality Inspection, Ningbo Chinese Academy of Sciences Information Technology
Applied Research Institute.
The main drafters of this section. Xu Xuedong, Liu Xin, Mei Liguang, Lu Guoyi, Wang Yong, Zhou Zhongming, Jin Jun, Zhang Yanjun, Zhang Dinghu, You Xianke, Yu
Jianhong, Hua Ming, Zhang Hongyu, Huang Xiangsheng, Zhang Ailiang, Zhu Jianhua, Pan Yijie, Guan Zhijian, Liu Jing, Wang Yangming.
The previous versions of the standards replaced by this part are as follows.
---GB 2423.25-1981, GB/T 2423.25-1992, GB/T 2423.25-2008;
---GB 2423.26-1981, GB/T 2423.26-1992, GB/T 2423.26-2008;
---GB/T 2423.27-1981, GB/T 2423.27-2005.
introduction
When exposed to different natural environmental conditions, the performance of equipment and components should not cause serious deterioration. For example, temperature, humidity, low
Air pressure synthesis may only have a certain effect on components and gaskets.
The types and severity of environmental parameters depend on the operating, transportation, and storage environments exposed to equipment and components. Environmental impact on equipment performance
It is very different in the tropics and humid tropics and the Arctic. Different environmental parameters will cause various or overlapping effects on equipment and components.
Added effect.
Manufacturers try to ensure that, at the same time, users also hope that equipment and components can withstand the impact of the environment during the service life. Can be passed
The test samples are exposed to a laboratory that simulates a series of environmental parameters to test whether the equipment meets this expectation. Usually by raising the ring
The severity of the environmental parameters can achieve meaningful results in a relatively short period of time. This can be used to evaluate similar actual environmental conditions.
Environmental testing Part 2.Test methods
Test methods and guidelines. temperature/low pressure or
Temperature/humidity/low air pressure comprehensive test
1 Scope
This part of GB/T 2423 gives the test methods for the temperature/low pressure or temperature/humidity/low pressure comprehensive test of equipment or components.
Law and its guidelines.
The purpose of the comprehensive test is to study the influence of temperature/low pressure or temperature/humidity/low pressure comprehensive test on equipment or components.
Comprehensive test methods are used to evaluate electrical properties, mechanical properties or other physical properties.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
IEC 60068-1 Environmental Testing Part 1.Overview and Guidelines
IEC 60068-2-78 Environmental Test Part 2-78.Test Test Cab. Constant Damp Heat
3 Terms and definitions
no.
4 Test method
4.1 Overview
All values of test parameters, such as low temperature, high temperature, low air pressure, humidity, test time and running status of test samples, etc., should be from
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