IEC 60654-1
IEC 60654-1:1993
Industrial-process measurement and control equipment - Operating conditions - Part 1: Climatic conditions
Lists environmental climatic conditions e.g. air temperature humidity and air pressure in specified locations to which land-based and offshore industrial-process measurement and control systems may be exposed during operation, during periods when they are installed but inactive and during storage or transportation.
CHFÂ 115.-