FT-3000 is a gas online continuous monitoring system based on fourier transform infrared spectroscopy, monitoring emission gas of SO2, NOx (NO NO2), CH4, NH3, HCl, HF, CO, CO2, O2, H2O and other components at the same time. According to user demand, the analyzer can be extended to measure SO3, N2O and etc. It has high accuracy, wide dynamic range, low detection limit and is suitable for ultra-Iow emission monitoring.