GB/T 2423.9-2001电工电子产品环境试验　第2部分：试验方法　试验Cb：设备用恒定湿热.pdf

ICS19.040 x 04 中 华 人 民 共 和 国 国 家 标 准 GB/T 2423.9一2001 idtIEC60068-2-56:1988 电工电子产品环境试验 第2部分:试验方法 试验Cb:设备用恒定湿热 Environmentaltestingforelectricandelectronicproducts- Part2:Testmethods-TestCb:Dampheat， steadystate,primarilyforequipment 2001一11一02发布 2002一06一01实施 中 华 人 民 共 和 国 发 布 国家 质 量 监 督 检 验 检 疫 总 局 GB/T2423.9-2001 目 次 前言 ·····························“·························”················”·”·······················”….… i IEC前言 ······················································································“···············…… N IEC序言 ······················“·············“····················································“············”一 V 1 范围 ····“······················································································”···············…… 1 2 概述 ·································”·······”······························································”·…… 1 3 试验箱(室)的要求 ····················································……’二’·’·’··……’二‘·’·‘·“… ’二 1 4 严酷等级 ···························.·，···········································“························…… 2 5 初始检测 ····································”···························”··································“…… 2 6 条件试验 ······································································································…… 2 7 中间检测 ·····································”······”·······.·，············································…… 3 8 恢复 ······························································································”············…… 3 9 最后检测 ”·······················