Linear detector of smoke from 50 to 100 meters based on issuing equipment and recipient with reflector. Designed, made and certified under norm EN54-12. With certificate of homologation LPCB. It allows to realize the protection of big areas (up to 1500m ² for equipment) from the only point in the installation. The detector is based on an issuing equipment that projects the infrared bundle up to a reflector that returns the transmitted sign, making possible to protect from linear form the area that crosses the bundle of infrared light. He has a system of automatic compensation to the powder that fits the sensibility of the equipment depending on the dirt of his lenses. External supply of 12 to 24V. I consume: 15 mA. Protection degree IP50.