IEC 60721-2-4 : 1.1現行
CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - PART 2-4: ENVIRONMENTAL CONDITIONS APPEARING IN NATURE - SOLAR RADIATION AND TEMPERATURE
出版：International Electrotechnical Committee
專家解讀視頻
Gives a broad division into types of solar radiation areas. It is intended to be used as part of the background material when selecting appropriate severities of solar radiation for product applications. All types of geographical areas are covered, except areas with altitudes above 5000 m.
PN HD 478.2.4 : 2011 - Identical
DS IEC 60721-2-4 : 1988 + A1 1990 - Identical
HD 478.2.4 : 200S1 - Identical
CEI 75-6 : 1997 - Identical
PN 90/E-04555.24 : 1990 - Identical
BIS IS 13736-2-4 : 1993(R2015) - Identical
NEN 10721-2-4 : 1989 - Identical
NFC 20 000 : 90 AMD 1 93 - Identical
DIN IEC 60721-2-4 : 1990 - Identical
DIN IEC 60721-2-4 : 1990 - Identical
BIS IS 13736-2-4 : 1993(R2015) - Identical
PN HD 478.2.4 : 2011 - Identical
CEI 75-6 : 1997 - Identical
NFC 20 000 : 90 AMD 1 93 - Identical
DS IEC 60721-2-4 : 1988 + A1 1990 - Identical
PN 90/E-04555.24 : 1990 - Identical
NEN 10721-2-4 : 1989 - Identical
