电工电子产品环境试验第2

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1、ics19.040x04GH中华人民共和国国家标准GB/T2423.22-2002/IEC60068-2-14:1984代替GB/T2423.22-1987电工电子产品环境试验第2部分:试验方法试验N:温度变化Environmentaltestingforelectricandelectronicproducts-Part2:TestmethodsTestN:Changeoftemperature

2、dures一Part2:Tests-TestN:Changeoftemperature,IDT)2002一06门3发布2003一01一01实施中华人民共和国发布国家质量监督检验检疫总局cB/T2423.22-2002/IEC60068-2-14:1984目次前言························，························································。······························⋯⋯1试验N:

3、温度变化试验的历史概况·····················。。··························...·..·..·..·..··..·..·.⋯⋯I引言··········。·············································。················。。·································。······⋯⋯11试验Na:规定转换时间的快速温度变化·········。。·············

4、··············。··························⋯⋯11.1目的··········。··················。········································。··································⋯⋯11.2试验的一般说明···················。·······························································

5、··········⋯⋯11.3试验设备的说明············。·····································。·········································。··⋯11.4严酷等级·····································································································⋯⋯21.5初始检测············

6、·，.··············。······································································⋯⋯21.6条件试验···········································价·······················································⋯⋯21.7恢复·············································

7、········································。·················⋯⋯31.8最后检测·····································································································⋯⋯31.9相关规范应给出的信息····························，····。。··············，···············

8、········...·······⋯⋯32试验Nb:规定温度变化速率的温度变化···············································。········.·····.·.⋯⋯32.1目的···、··、···、·，，’，“、，.···，‘·‘”，·····.............................................32.2试验的一般说明··················。···················。········