ABUS Security-Center Polycarbonate Flame Sensor Optical Smoke Detector, 12 V dc

For detecting visible smoke particles
Integrated infrared light source generates a light pulse every 8 seconds
Visible smoke particles alter the signal received by a photo-diode and the sensor triggers an alarm
Self-adjusting sensitivity
Floating alarm relay
Direct connection to each alarm control unit
Recording range 40 m²
Mounted to ceiling in centre of room

Thermo-differential fire detector (heat detector)
Two-way detection (thermo-differential/absolute)
Floating alarm relay
Direct connection to every alarm control unit
For avoiding false alarms in smoking areas, kitchens, garages etc.
It detects an alarm if the temperature rises by more than 3°C within 1 minute or to over 60°C overall in a detection range of 40 m²
Mounted to ceiling in centre of room

  EN54