IEC 60721-2-1 Ed. 1.1被替代
Classification of environmental conditions Part 2-1: Environmental conditions appearing in nature - Temperature and humidity
出版：International Electrotechnical Committee
专家解读视频
Presents types of open-air climate in terms of temperature and humidity. Intended to be used as a part of the background material when selecting appropriate temperature and humidity severities for product applications. It has the status of a horizontal standard in accordance with IEC Guide 108. This consolidated version consists of the first edition (1982) and its amendment 1 (1987). Therefore, no need to order amendment in addition to this publication.
NFC 20 000:1990 - Identical
BS 7527-2.1:1991 - Equivalent
HD 478.2.1:1989 - Identical
DIN IEC 60721-2-1 (1992-07) - Identical
NEN 10721-2-1:1988 - Identical
CEI 75-2 Ed. 1 (1997) - Identical
BIS IS 13736-2-1:1993 (R2015) - Identical
JIS C 60721-2-1:1995 - Identical
SS IEC 60721-2-1 Ed. 1 (2001) - Identical
SS EN 60721:1997 - Identical
