The on-line monitoring system of flue gas can continuously and automatically monitor the changes of smoke, SO2, nitrogen oxides, CO2, CO, O2, humidity, flow rate, temperature and pressure in flue gas, and provide timely, accurate and reliable monitoring data through the on-line monitoring platform of pollution sources and government environmental protection departments. It is suitable for on-line monitoring of ultra-low emission (particle CEMS) of coal-fired units (boilers). The on-line flue gas monitoring system developed and produced by Shandong Yan Guang Environmental Protection Technology Co., Ltd. is suitable for various industries, including thermal power, steel, metallurgy, cement, aluminum, petrochemical, ceramics and other industries. It can also be used for dust removal equipment efficiency monitoring, combustion efficiency monitoring, dust concentration measurement in industrial manufacturing process, occupational health protection dust monitoring in industrial and mining enterprises, dust load monitoring in production workshops and workshops, scientific research, experimental field testing, etc. Shandong Yan Guang Environmental Protection, combined with many years of environmental protection experience, has many family cases and has been well received by customers for many years. Welcome to consult.