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ics19.040
x 04
GH
中 华 人 民 共 和 国 国 家 标 准
GB/T2423.22-2002/IEC60068-2-14:1984
代替GB/T 2423.22-1987
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:Testmethods
TestN:Changeoftemperature
IEC60068-2-14:1984,Basicenvironmentaltestingprocedures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/T 2423.22-2002/IEC60068-2-14:1984
目 次
前言 ·························,························································。······························…… 1
试验N:温度变化试验的历史概况 ·····················。。···························..·..·..·.·.·..·.·.…… I
引言··········。·············································。················。。·································。······…… 1
1试验Na:规定转换时间的快速温度变化 ·········。。···························。··························…… 1
1.1 目的 ··········。··················。········································。··································…… 1
1.2 试验的一般说明 ···················。·········································································…… 1
1.3 试验设备的说明 ············。·····································。·········································。··… 1
1.4 严酷等级 ·····································································································…… 2
1.5 初始检测 ············.·,··············。······································································… … 2
1.6 条件试验 ··········································价························································…… 2
1.7 恢复 ····
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