BS EN 54-20:2006 pdf free.Fire detection and firealarm systems — Aspirating smoke detectors. BS EN 54-20 This European Standard specifies the requirements,test methods and performance criteria foraspirating smoke detectors for use in fire detection and fire alarm...
BS EN 54-24:2008 pdf free
BS EN 54-24:2008 pdf free.Fire detection and firealarm systems—Components of voice alarmsystems—Loudspeakers. BS EN 54-24 This European Standard specifies requirements，test methods and performance criteria for loudspeakersintended to broadcast a warning of fire between a fire detection and...
BS EN 54-16:2008 pdf free
BS EN 54-16:2008 pdf free.Fire detection and firealarm systems — Voice alarm control andindicating equipment. BS EN 54-16 This European Standard specifies requirements,methods of test and performance criteria for voice alarmcontrol and indicating equipment for use in...
BS EN 54-7:2001 pdf free
BS EN 54-7:2001 pdf free.Fire detection and firealarm systems — Smoke detectors—Pointdetectors using scattered light,transmitted light or ionization. BS EN 54-7 lf there is provision for on-site adjustment of the response behaviour of the detector then: 1)...