標準號：DIN EN 60721-1-1997
中文標準名稱：環境條件分類.第1部分:環境參數及其嚴酷性
英文標準名稱：Classification of environmental conditions - Part 1: Environmental parameters and their severities (IEC 60721-1:1990 + A1:1992 + A2:1995); German version EN 60721-1:1995 + A2:1995
標準類型：A21
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：A21
國際標準分類號：19.040
適用范圍：The document contains a list of environmental parameters and their severities. The severities in this document are given without reference to their application. Sufficient guidance on application is available in IEC 721-2 and IEC 721-3. Technical committees preparing environmental conditions specifications for products should apply IEC 721-3 but if, in exceptional cases, severity values of IEC 721-3 are not appropriate, the list in this document should be considered for the selction of values.#,,#