This part of GB/T 4797 gives the outdoor climate type represented by temperature and humidity parameters, as the background information when selecting the appropriate temperature and humidity severity level for product application. These climate types include all regions of the country, except those with an altitude above 5,000 meters. This section can also be used as background material when determining the environmental conditions for which the product will be used. When selecting the severity level of temperature and humidity for product application standards, the data given in GB/T 4796-2001 should be used.
GB/T 4797.1-2005 history
2018GB/T 4797.1-2018 Classification of environmental conditions.Environmental conditions appearing in nature.Temperature and humidity
2005GB/T 4797.1-2005 Environmental conditions appearing in nature of electric and electronic products Temperature and humidity
1984GB/T 4797.1-1984 Environmental conditions appearing in nature of electric and electronic products--Temperature and humidity