The AlarmSense Optical Smoke Detector and Sounder Base works using the light scatter principle. The detector changes to alarm state at a pre-set threshold of smoke penetration into the sensing chamber. This unit contains a sounder base for sound output from a single fixing and wiring point.

• EN54-7 Optical Smoke Detector
• EN54-3 Sounder
• BS 5839 Compliant
• Easy to Install and Extend