The Fireray 3000 Exd is ideally suited for the protection of largeareas, with potentially explosive atmospheres, against smoking fires.Fireray 3000 Exd comprises an infrared transmitter and a receiver,both of which are ATEX-certified for use in Group 2 hazardousareas. There is a separate, safe area, wall-mounted remote/lowlevel control unit to allow adjustment and testing from a convenientnon-hazardous location.The product is designed for large enclosures within oil rigs, refineries,ordnance stores and similar premises. It provides an early warning ofsmouldering or strongly smoke-generative fires, which may not bepicked up by flame detectors installed in many hazardous areas.