Historical
IEC 60721-2-1 Ed. 1.1 b:2002
Classification of environmental conditions - Part 2-1: Environmental conditions appearing in nature - Temperature and humidit
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.
Content Provider
International Electrotechnical Commission [iec]