The CW-RPC200(A) is an industrial-grade online particle counter designed for permanent installation in urban grids, smart buildings, or production facilities. It enables real-time, remote measurement of particulate concentration (including PM2.5) via Ethernet (RJ45) and Power over Ethernet (PoE). With built-in web server and MQTT/Modbus protocol support, it seamlessly integrates into MES, SCADA, and IoT platforms. Its robust optical design ensures long-term stability and traceable calibration per international standards.