GBT 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

GBT 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ICS19.040x04中华人民共和国国家标准GB/T2423.9一2001idtIEC60068-2-56:1988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,primarilyforequipment2001一11一02发布2002一06一01实施中华人民共和国国家质量监督检验检疫总局发布GB/T2423.9-2001目次前言·····························“·························”················”·”·······················”⋯⋯.iIEC前言······················································································“···············⋯⋯NIEC序言······················“·············“····················································“············”一V1范围····“······················································································”···············⋯⋯12概述·································”·······”······························································”·⋯⋯13试验箱(室)的要求····················································⋯⋯’二’·’·’··⋯⋯’二‘·’·‘·“⋯’二14严酷等级····························，.······