标准号:IS 13736 Pt.2/Sec.1-1993
发布日期:1993/10/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This part of the standard presents types of open-air climate in terms of temperature and humidity. It is intended to be used as part of the background material when selecting appro-priate temperature and humidity severities for product applications.The climates cover all areas of the world, excluding the Central Antarctic and high altitudes (above 5 000 m).This presentation may be used as background material when issuing climatic environ-mental classes for product applications.When selecting temperature and humidity severities for product applications, the values given in IEC Publication 721-1: Part 1: Classification of Environmental Parameters and Their Severities, should be applied.