IEC 60721-2-2:2012

Title

Language: EN Classification of environmental conditions - Part 2-2: Environmental conditions appearing in nature - Precipitation and wind

Language: FR Classification des conditions d'environnement - Partie 2-2: Conditions d'environnement présentes dans la nature - Précipitations et vent

Abstract

Language: EN IEC 60721-2-2:2012 presents fundamental properties, quantities for characterization, and a classification of environmental conditions dependent on precipitation and wind relevant for electrotechnical products. This second edition cancels and replaces the first edition, published in 1988, and constitutes a technical revision. The main changes with regard to the previous edition are as follows: - subclause Precipitation: simplified; - data not possible to validate are removed; - subclause Wind: text rewritten; - Table 1 simplified and aligned with definition used by [1]; - subclause Hail: data added; - formula changed; - formula for impact energy added; - subclause Snow: text changed and aligned with definitions used by [1]; - Table 3 removed; - subclause Normal rain: text has been modified and numeric values removed; - subclause Driving rain: text has been modified and numeric values removed; - subclause Formation of ice: text has been modified and numeric values removed; - subclause Drifting snow: text added; - subclause Wind force: formula changed; - Figure 1 to 5 removed.

Language(s)
Language: EN Language: FR
Edition
2.0
Date of issue
13.12.2012
TC 104
ICS Codes
19.040
Publication number
60721
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