Announcer security superficial sound IO 329-7 "Crystal
The announcer is intended for detection of breaking the usual and protected by a polymeric film (classes A1 - A3) of glasses from 2,5 to 8 mm thick with an area not less than 0,1 sq. m (0,3kh0,33m), with the subsequent issue of the notice on alarm disconnection of contacts of the executive relay. The announcer at removal of a cover of the case issues the notice on opening by disconnection of contacts of the microswitch. The announcer is compact, esthetically attractive, simple in installation and service, he can be fixed on a wall, a ceiling or in a pier between glass and curtains.