Fireye 48PT2-9003 Infrared Flame Scanner With 8 Foot Lead Wire And 90 Degree Head Approx. Volts Across Cell 7-15VDC Approx. Resistance of Cell 20K - 80K ohms (Resistance measured with 20K Ohms/ Volt Meter) Ambient Temp. Limits 140°F / 60°C, -40° The 48PT2 lead sulfide infrared scanner contains a low impedance detector and is designed to detect low flicker frequency IR signals from gas and oil flames. It is designed for use on D-Series, FlameMonitor, FlameWorx, MicroM and Burnerlogix controls.