Tyco 516.037.004 S231I+ Conventional Intrinsically Safe Triple IR Flame Detector These models are suitable for connection to a 20V dc current monitored fire alarm controller. This is achieved over a standard two core cable. A wide range of compatible control panels with various land and marine approvals are available. The number of devices permitted on any single detection zone may vary, depending on the control panel to be used. Using technologies developed over more than 30 years, the microprocessor based Minerva S860 series flame detectors combine solar blind sensing of UV radiation and narrow waveband sensing of flame specific IR radiation to provide a reliable means of detecting flaming fires. The detectors are supplied in a Flameproof (Explosion proof) housing making them suitable for use in classified Hazardous Areas. They provide an easy interface to the range of Tyco conventional and analogue addressable panels. Key Features: Unrivalled black body rejection over a wide range of source temperatures Triple waveband infrared solar blind flame detection for optimum false alarm immunity Discrimination of optical faults (dirty windows) from other faults in the built-in self-test.