ETS 300 200019-1-4 : 20001现行
EQUIPMENT ENGINEERING (EE); ENVIRONMENTAL CONDITIONS AND ENVIRONMENTAL TESTS FOR TELECOMMUNICATIONS EQUIPMENT - CLASSIFICATION OF ENVIRONMENTAL CONDITIONS - STATIONARY USE AT NON-WEATHERPROTECTED LOCATIONS
出版：European Telecommunications Standards Institute
专家解读视频
Defines a class of environmental conditions and their severities to which equipment may be exposed. Includes only severe conditions that may be harmful to the equipment. Applies to equipment mounted for stationary use including periods of erection work, down time, maintenance and repair at non-weatherprotected locations.
PN ETS 300 019-1-4 : 2005 - Identical
DIN ETS 300019-1-4 : 1993 - Identical
DS ETS 300019-1-4 : 1993 AMD 1 1997 - Identical
NBN ETS 300 019 1-4 : 1993 AMD 1 1999 - Identical
