This section mainly divides several types of solar radiation regions, and mainly provides some background material for selecting the appropriate solar radiation severity for product applications. This section covers all kinds of terrain, except areas above 5000m above sea level. When selecting solar radiation severity for products, the values given in GB/T 4796 should be used.
GB/T 4797.4-2006 history
2019GB/T 4797.4-2019 Classification of environmental conditions—Environmental conditions appearing in nature—Solar radiation and temperature
2006GB/T 4797.4-2006 Environmental conditions appearing in nature for electric and electronic products-Solar radiation and temperature
1989GB/T 4797.4-1989 Environmental conditions appearing in nature for electric and electronic products--Solar radiation and temperature