LaserSense ZLS4 early smoke detection system (200m). Equipped with a laser beam analysis camera with adjustable sensitivity from 0.0015% to 25% osc / m. It incorporates 4 ABS / PVC sampling pipe inlets forming a detection zone. Delayed outputs for Alert, Pre-alarm, Alarm 1, Alarm 2 and General Fault. Sampling points by direct drilling on the pipe or by capillary tube. Maximum pipe length 4 x 50 meters. It requires 4 FHSD8590 adapters for the pipe inlets (in case of using the 4 pipes of the equipment) and 1 additional if the return pipe is used. It incorporates RS232 port for programming and RS485 port for connection to the SenseNet network. 24V power supply. Consumption: 750 mA. Dimensions: 427 x 372 x 95 mm. CPD certificate according to EN54-20 standard.