This Technical Specification includes requirements for warning devices used in Intrusion and Hold up Alarm Systems installed in buildings. Four grades of warning device are described corresponding to each of the four security grades given in the European standard EN 50131-1. Requirements are also given for four environmental classes covering applications in internal and outdoor locations as specified in EN 50130-5.
WITHDRAWN
CLC/TS 50131-4:2006
99.60
Withdrawal effective
May 1, 2012
WITHDRAWN
EN 50131-4:2009