Furnace infrared camera system Model: BY-SX503 This system is mounted on the top of blast furnace of steel mills to monitor and inspect the inner furnace through the infrared camera. Environment Up to 2000 Requirement Compressed Nitrogen Pressure 0.2~0.7MPa Volume Flow 0.1-0.4 m3/min Temperature d35 Requirement Cooling Water Inlet Pressure 0.4~0.8MPa Volume Flow min 0.3m3/min Temperature d35 CCD Camera and lens Image sensor 1/2â CCD Sensor H. Resolution 580 TV lines Video Output 1.0 Vp-p, 75© S/N Ratio more than 48dB (AGC off) Shutter Speed 1/50~1/100,000 Sec Min Illumination 0.00003Lux Power DC 12V 120mA Pinhole lens focal 2.1 mm (Infrared lens)