GB/T 20643.2-2025Specific environmental condition - Environmental test method - Part 2: Artificial environment test method and guidance - Electric and electronic products (including communication products) (English PDF)
特殊环境条件 环境试验方法 第2部分：人工模拟试验方法及导则 电工电子产品（含通信产品）
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 1, 2025
Implementation date
February 1, 2026
Scope
GB/T 20643.2-2025 is the English-translated version of 特殊环境条件 环境试验方法 第2部分：人工模拟试验方法及导则 电工电子产品（含通信产品）.
GB/T 20643.2-2025 is the Chinese standard "Specific environmental condition - Environmental test method - Part 2: Artificial environment test method and guidance - Electric and electronic products (including communication products)".
Its scope clause reads: This document specifies the requirements for electrical and electronic products (including communications equipment) under special environmental conditions such as dry heat, dry hot desert, plateau, humid heat, humid hot ocean, cold, etc. product) operating environment conditions and artificial simulated environment test items.
This document is applicable to the assessment of the environmental conditions of electrical and electronic products (including communication products) (hereinafter referred to as "products") used under special environmental conditions.
Adaptability. The communication products involved in this document are communication network equipment.
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Document preview — GB/T 20643.2-2025
National Standard of the People's Republic of China
- ICS
- 19.040
- Classification
- K 04
- Replacing
- GB/T 20643.2-2008
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Preface
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Operating environment conditions
- 5 Artificial simulation environment test
- Appendix A (Informative) Main Impacts of Environmental Factors on Product Performance
- References
1 Scope
This document specifies the requirements for electrical and electronic products (including communications equipment) under special environmental conditions such as dry heat, dry hot desert, plateau, humid heat, humid hot ocean, cold, etc.
product) operating environment conditions and artificial simulated environment test items.
This document is applicable to the assessment of the environmental conditions of electrical and electronic products (including communication products) (hereinafter referred to as "products") used under special environmental conditions.
Adaptability.
The communication products involved in this document are communication network equipment.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 2423.1 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature
GB/T 2423.2 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature
GB/T 2423.3 Environmental testing Part 2.Test methods Test Cab. Steady state damp heat test
GB/T 2423.4 Environmental testing for electric and electronic products - Part 2.Test methods - Test Db. Cyclic damp heat (12h 12h cycle)
GB/T 2423.5 Environmental testing Part 2.Test method Test Ea and guidance. Shock
GB/T 2423.16 Environmental testing Part 2.Test methods Test J and guidance. Mildew growth
GB/T 2423.17 Environmental testing Part 2.Test methods Test Ka. Salt spray
GB/T 2423.18-2021 Environmental testing Part 2.Test methods Test Kb. Salt spray, alternating (sodium chloride solution)
GB/T 2423.21 Environmental testing Part 2.Test methods Test M. Low pressure
GB/T 2423.22 Environmental testing Part 2.Test method Test N. Temperature change
GB/T 2423.24 Environmental testing Part 2.Test methods Test S. Simulated ground solar radiation and solar radiation test and weathering test guidelines
GB/T 2423.27 Environmental testing Part 2.Test methods Test methods and guidance. Temperature/low pressure or temperature/humidity/low
Comprehensive air pressure test
GB/T 2423.37 Environmental testing for electric and electronic products Part 2.Test methods Test L. Dust test
GB/T 2423.38 Environmental testing Part 2.Test methods Test R. Water test methods and guidance
GB/T 2423.56 Environmental testing Part 2.Test methods Test Fh. Broadband random vibration and guidance
GB/T 2423.65 Environmental testing Part 2.Test methods Test. Salt spray/temperature/humidity/solar radiation combination
GB/T 2423.101 Environmental testing for electric and electronic products Part 2.Test methods Test. Tilt and swing
GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test
GB/T 20625-2024 Terminology for special environmental conditions
GB/T 30137 | GB/T 20877 | GB/T 12325 | GB/T 20643.3 | GB/T 20643.1 | GB/T 20625 | […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 2423.1Environmental testing for electric and electronic products - Part 2: Test methods - Tests A: Cold
- GB/T 2423.2Environmental testing for electric and electronic products - Part 2: Test methods - Tests B: Dry heat
- GB/T 2423.3Environmental testing - Part 2: Testing method - Test Cab: Damp heat, steady state
- GB/T 2423.4Environmental testing for electric and electronic products - Part 2: Test method - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
- GB/T 2423.5Environmental testing - Part 2: Test methods - Test Ea and guidance: Shock
- GB/T 2423.16Environmental testing - Part 2: Test methods - Test J and guidance: Mould growth
Editions of GB/T 20643.2
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 20643.2-2025 | Specific environmental condition - Environmental test method - Part 2: Artificial environment test method and guidance - Electric and electronic products (including communication products) | current edition | Current |
| GB/T 20643.2-2008 | Specific environment condition -- Environmental test methods -- Part 2: Artificial environment test method and guidance -- Electric and electronic products (including communication products) | previous edition | In force |
This page sells the current edition, GB/T 20643.2-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 17626.2-2018 — Electromagnetic compatibility -- Testing and measurement techniques -- Electrostatic discharge immunity test
GB/T 17626.20-2014 — Electromagnetic compatibility -- Testing and measurement techniques -- Emission and immunity testing in transverse electromagnetic (TEM) waveguide
GB/T 17626.21-2014 — Electromagnetic compatibility -- Testing and measurement techniques -- Reverberation chamber test methods
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