The LOGIFIRE series 41RML100B multi-sensor detector combines the detection technologies of an A1R class rate-of-rise detector and a Tyndall effect optical smoke sensor. The sensor is also fitted with a built-in isolator. Microprocessor-controlled digital signal analysis. Contamination level auto-compensation and maintenance indication. Programmable sensitivity across three levels. Operating class A1R. Rapid cleaning of the sensor chamber, thanks to intuitive component uncoupling. Revised design suitable for any type of installation, even the most aesthetically demanding cases. High-visibility light indications. Automatic addressing or with programmer. Approved to EN 54-5, EN 54-7 and EN 54-17. Colour: black.