DIN EN 60721-3-9-1995 环境条件分类.第3部分:环境参数及其严酷程度分级.第9节:产品内的微型气候

标准号：DIN EN 60721-3-9-1995
中文标准名称：环境条件分类.第3部分:环境参数及其严酷程度分级.第9节:产品内的微型气候
英文标准名称：Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities; section 9: Microclimates inside products (IEC 60721-3-9:1993); German version EN 60721-3-9:1993
标准类型：A21
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：A21
国际标准分类号：19.040
适用范围：This document defines classes of microclimatic conditions, to which components (basic parts, assemblies, built-in units) may be subjected inside products, which are used under the climatic conditions as classified in sections IEC 721-3-3 and IEC 721-3-4. A limited number of microclimatic classes is specified taling into consideration typical limiting high air temperatures of components.