DET TRONICS

FIRE DETECTION UNITS HAVING SENSORS FOR DETECTING ULTRAVIOLET AND INFRARED RADIATION; FLAME CONTROL DETECTORS HAVING ULTRAVIOLET, INFRARED AND LIGHT SENSING FLAME SCANNERS; COMBUSTIBLE AND TOXIC GAS DECTORS HAVING CATALYTIC, CHEMICAL AND NARROW BAND OPTICAL SENSORS; AND ANALOG OR DIGITAL CONTROLLERS FOR USE THEREWITH; ALL FOR INDUSTRIAL APPLICATIONS