
SOUND SYSTEMS FOR EMERGENCY PURPOSES
出版:International Electrotechnical Committee

专家解读视频
Applies to sound reinforcement and distribution systems to be used to effect a rapid and orderly mobilization of occupants in an indoor and/or outdoor area affected by a hazard. Specifies the requirements for sound systems which are primarily intended to broadcast information for the protection of lives and property within a protected area when an emergency situation has occurred. Gives the characteristics and the methods of test necessary for the specification of the system.
NF EN 60849 : 1998 - Identical
DS EN 60849 : 1999 - Identical
SN EN 60849 : 1998 - Identical
NEN EN IEC 60849 : 1998 - Identical
PN EN 60849 : 2001 - Identical
UNE EN 60849 : 2002 - Identical
NEN 10849 : 1990 - Similar to
BS 7443(1991) : 1991 - Similar to
CEI EN 60849 : 2007 - Identical
NFC 97 201 : 1989 - Similar to
I.S. EN 60849:1999 - Identical