Fireye 48PT2-1003 Straight Head Infrared Scanner With 8 Foot Wire Leads Used With Fireye C & D Series, MicroM, FLAME-MONITOR, BurnerLogix Controls With Infrared Amplifiers Lead sulfide infrared scanner is designed to detect low frequency IR signals from gas or oil flames. Mounting collar is 1/2" NPT with straight mount. With 8 ft (243.8m) flexible conduit. Includes 4-263-1 sensor cell.