Linear optical smoke detection system with infrared. Reflection detection technology. The system consists of the transceiver unit and a reflection panel. Optical range 8...50m, extendable to 120m with optional extension kit TFBD-5000 LRK. Programmable sensitivity level. Signaling interface: LED monitor for operating status and alignment; 2 signal relay outputs, Alarm and Fault. Servo-assisted laser alignment system, for automatic alignment correction. Dynamic compensation of sensitivity deterioration due to dust deposits. Excellent tolerance to vibration disturbances. High false alarm immunity. Power supply voltage 14...36V DC. Consumption 5mA. Protection rating IP55. Operating temperature -20°C... +55°C. Polycarbonate casing UL94 V0. Dimensions (L x H x D) 130 x 181 x 134mm. Approved EN 54-12. Certification: 0832-CPR-F2237.