The 41RFU100B detector from the LOGIFIRE series is an optical smoke detector using the Tyndall effect with an integrated isolator. The digital signal processing algorithms enable particularly sensitive smoke detection, even in the early stages of fire development. Digital signal analysis with microprocessor. Self-compensation of contamination level and maintenance notification. Programmable sensitivity with three different levels. Quick cleaning of the sensor chamber thanks to the intuitive release of components. Redesigned appearance suitable for any type of installation, even the most demanding from an aesthetic point of view. Black color. High-visibility light indicators. Automatic addressing mode or with programmer. Certified according to EN 54-7 and EN 54-17.