System of precocious detection of smokes for aspiration LaserCompact. Designed, made and certificate according to norm EN54-20. Equipped with a chamber of analysis for bundle of light laser with adjustable sensibility from 0 ' 005 % up to 20 % osc/m with autolearning. It incorporates 1 entry of pipeline of sampling forming a zone of detection. 3 configurable thresholds of alarm (Alert, Prealarma and Fire). The detector consists of 3 exits of relay for dry contact. Maximum length of pipeline 1 x 80 meters or 2 x 50 meters (by means of bifurcation in the network of pipelines). It incorporates port RS485 for his connection into the network VesdaNet. Supply to 18 - 30 V. I consume: 245 mA. Dimensions: 225 x 225 x 85 mm.