标准摘要
[中文适用范围]： IEC 60721 的这一部分根据温度和湿度对露天气候进行分类。在为产品测试和应用选择适当的温度和湿度强度时，它旨在用作背景材料的一部分。气候覆盖世界所有地区@，不包括南极洲中部和高海拔地区（5 000 米以上）。在发布产品应用的气候环境等级时，本演示文稿可用作背景材料。该标准定义了有限数量的露天气候分类@在温度和湿度方面@，它们代表了产品在运输@储存@安装和使用时最常遇到的条件。 [外文原描述]： IEC 60721-2-1:2013 presents classifications of open-air climates in terms of temperature and humidity. It is intended to be used as part of the background material when selecting appropriate temperature and humidity severities for product testing and application. This second edition cancels and replaces the first edition, published in 1982, and constitutes a technical revision. The main changes with respect to the previous edition are in the definitions of climate types.
英文名称Classification of environmental conditions - Part 2-1: Environmental conditions appearing in nature - Temperature and humidity