Linear optical smoke detection system with point-to-point (TX-RX) infrared.ATEX certified. The System consists of the controller management unit and a pair of TX and RX devices. The controller can handle a second pair of optional TX and RX devices. Remotely installable controller, electrical connection between controller and TX and RX devices with 2 conductors. Functional programming and independent alarm and fault outputs for each pair. Adjustable range from 5 to 100m. Programmable sensitivity level. Integrated alignment laser. Dynamic compensation of sensitivity deterioration due to dust deposits. High false alarm immunity. Excellent tolerance to disturbance events generated by vibrations and structural bending. Optional alignment tool and adjustable mounting bracket. Power supply voltage 12...36V DC. Maximum consumption 22mA. Controller protection rating IP54, TX and RX units IP66. Operating temperature -10°C... +55°C. Approved EN 54-12 and ATEX. ATEX II 2GD certified. Ex op is IIC T6 Gb. Ex tb IIIC T85°C Db. Certification: 0786-CPD-21162