GB/T 2421-2020: Environmental testing - General and guidance

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Scope

The IEC 60068 series includes a series of methods for environmental testing
along with their appropriate severities, and prescribes various atmospheric
conditions for measurements and tests designed to assess the ability of
specimens to perform under expected conditions of transportation, storage and
all aspects of operational use.
Although primarily intended for electric and electronic products, this Standard
is not restricted to them and may be used in other fields where desired.
Other methods of environmental testing, specific to the individual types of
specimen, may be included in the relevant specifications.
The framework of environmental test tailoring process is given in order to assist
the production of test specifications with appropriate tests and test severities.
The IEC 60068 series provides a series of uniform and reproducible
environmental, climatic, dynamic and combined tests, performed and
measured under standard atmospheric conditions, for those preparing
specifications and those engaged in the testing of products.
These test methods are based upon available international engineering
experience and judgement and are primarily designed to provide information
on the following properties of specimens:
a) the ability to operate within specified limits of temperature, pressure,
humidity, mechanical stress or other environmental conditions and
combinations of these conditions;
b) the ability to withstand conditions of transportation, storage and
installation.
Note 1: The IEC 60721 series provides a system for classification of environmental
conditions and gives relevant definitions.
The tests in this Standard permit the comparison of the performance of sample
products. To assess the quality or useful life of a given production lot, the test
methods should be applied in accordance with a suitable sampling plan and
may be supplemented by appropriate additional tests, if necessary.
Note 2: ISO defines “quality” as the degree to which a set of inherent characteristics fulfils

Basic Data

Standard ID	GB/T 2421-2020 (GB/T2421-2020)
Description (Translated English)	Environmental testing - General and guidance
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	A21
Classification of International Standard	19.020
Word Count Estimation	30,379
Date of Issue	2020-06-02
Date of Implementation	2020-12-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration