1Key Takeaways
This part of GB/T 4798 specifies the various microscopic conditions that may be encountered by internal components (basic parts, components and built-in equipment) when the product is used under the climatic conditions of IEC 60721-3-3 or IEC 60721-3-4. Class of weather conditions. The characteristic parameters of the …
2Scope / Description
This part of GB/T 4798 specifies the various microscopic conditions that may be encountered by internal components (basic parts, components and built-in equipment) when the product is used under the climatic conditions of IEC 60721-3-3 or IEC 60721-3-4. Class of weather conditions. The characteristic parameters of the microclimate are high air temperature and high relative air humidity. Some other climate level parameters such as low temperature may also have additional effects on components, but are not considered in this section. Considering the representative extreme high temperature, a limited number of microclimate grades are stipulated. Users of this standard should select the lowest grade that meets the intended use.
5Citation Network
Standards that cite GB/T 4798.9-2012
Referenced by GB/T 4798.9-2012
IEC 60721-1:1990
IEC 60721-2-1-1982+AMD1:1987
IEC 60721-3-0
IEC 60721-3-3
IEC 60721-3-4
6Frequently Asked Questions
What is GB/T 4798.9-2012?
GB/T 4798.9-2012 — Classification of environmental conditions.Classification of groups of environmental parameters and their severities.Microclimates inside products is an international standard developed by General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China. This part of GB/T 4798 specifies the various microscopic conditions that may be encountered by internal components (basic parts, components and built-in equipment) when the product is used under the climatic conditions of IEC 60721-3-3 or IEC...
What does GB/T 4798.9-2012 cover?
This standard covers: This part of GB/T 4798 specifies the various microscopic conditions that may be encountered by internal components (basic parts, components and built-in equipment) when the product is used under the climatic conditions of IEC 60721-3-3 or IEC 60721-3-4. Class of weather conditions. The...
Who should use this standard?
This standard is intended for organizations, professionals, and stakeholders involved in various industries and sectors. It is applicable to manufacturers, service providers, regulatory bodies, and certification organizations.
What is the latest version of GB/T 4798.9-2012?
The current published version is GB/T 4798.9-2012, published on 2012-11-05. Always check for amendments or pending revisions.
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