Suitable for real-time continuous monitoring of ultra-low pollutant emissions from fixed pollution sources in industries such as metallurgy, energy, chemical, and cement. Its performance meets the latest national standards such as "Technical Requirements and Testing Methods for Continuous Monitoring System of Fixed Pollution Source Smoke Emissions" (HJ/T76-2017), "Technical Specification for Continuous Monitoring of Fixed Pollution Source Smoke Emissions" (HJ/T75-20017), and "Technical Specification for Automatic Monitoring Information Transmission and Exchange of Environmental Pollution Sources" (HJ/T352-2017).