GB/T 2424.1-2005电工电子产品基本环境试验　高温低温试验导则.pdf

ICS 19.040 K 04 臭氧老化试验箱 I OjMj黯 中 华 人 民 共 和 国 国 家 标 准 GB/T 2424.1-2005/IEC 60068-3-1:1974 代替GB/T 2424.1-1989 电工电子产品环境试验 高温低温试验导则 Environmental testing for electric and electronic products- Guidance for high temperature and low temperature tests (IEC 60068-3-1:1974,Basic environmental testing procedures- Part 3 : Background information-Section 1: Cold and dry heat tests and IEC 60068-3-IA:1978,First supplement to publication 60068-3-1,IDT) 2005-03-03发布 2005-08-01实施 中华人民共和国国家质量监督检验检疫总局 臭氧老化试验箱 发 布 中国国家标准化管理委员会 臭氧老化试验箱 GB/T 2424. 1-2005/IEC 60068-3-1:1974 目 次 前言 ···············································，······················…… m 1引言 ···············································································································……1 2不同试验规程的依据·······，················································································……2 3 试验箱 ············································································································……4 4 测量 ·············································································································…… 5 对IEC 60068-3-1;1974《基本环境试验规程 第3部分:背景材料 第1节:寒冷和干热试验》 的第一次补充文件 ······················································，····，································……6 附录A(资料性附录)无强迫空气循环试验时试验箱大小对试验样品表面温度的影响 ·········……8 附录B(资料性附录)气流对试验箱条件和试验样品表面温度的影响······························……10 附录C(资料性附录)样品辐射系数对温度升高的影响·························