Ag-nox07 nitrogen oxide tail gas analyzer is a high performance and fully functional analysis and treatment system for boiler flue gas environment, which integrates nitrogen oxide pretreatment, gas sampling, gas concentration analysis and networking module (optional).Based on the principle of electrochemistry, the monitor can quickly and accurately measure the concentration of nitrogen oxide, realize the real-time detection of nitrogen oxide concentration, and can store the emission monitoring data for more than one year.The system includes sampling system, pretreatment system, analysis system, temperature, humidity, flow rate, pressure measurement and other subsystems.