Standard No.:	GB/T 4797.4-2019
English Name:	Classification of environmental conditions—Environmental conditions appearing in nature—Solar radiation and temperature
Chinese Name:	环境条件分类 自然环境条件 太阳辐射与温度
Chinese Classification:	A21    Environmental Condition and General Test Method
Professional Classification:	GB    National Standard
Issued by:	SAMR; SAC
Issued on:	2019-12-10
Implemented on:	2020-7-1
Status:	valid
Superseding:	GB/T 4797.4-2006 Environmental conditions appearing in nature for electric and electronic products - Solar radiation and temperature
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	250.0
Delivery:	via email in 1~3 business day

本部分对太阳辐射地区概括划分成了几种类型,主要提供了为产品应用选择合适的太阳辐射严酷程度的部分背景材料。
除了海拔超过5 000 m的地区，本部分涵盖了各种地形。
当为产品选择太阳辐射严酷程度时，宜使用IEC 60721-1给出的数值。