60721-2-2-1988 Classification des conditions d?environnement. Deuxième partie: Conditions d?environnement présentes dans la nature. Précipitations et vent (Edition 1.0)
Classification of Environmental Conditions Part 2: Environmental Conditions Appearing in Nature Precipitation and Wind (Edition 1.0)
Classification des conditions d?environnement. Deuxième partie: Conditions d?environnement présentes dans la nature. Précipitations et vent (Edition 1.0) 是非强制性国家标准，您可以免费下载前三页
This part of the standard presents fundamental properties@ quantities for characterization@ and a classification of environmental conditions dependent on precipitation and wind relevant for electrotechnical products. It is intended to be used as background material when selecting appropriate severities of parameters related to precipitation and wind for product applications. When selecting severities of parameters related to precipitation and wind for product application@ the values given in IEC Publication 72 1 - 1 should be applied.ObjectTo define the characteristics of precipitation and wind as background for the severities to which products are liable to be exposed during transportation@ storage and use.