This Air Quality Sensor measures PM1.0, PM2.5, and PM10 particulate levels in the range of 0–1000 µg/m³ with high accuracy. It features Modbus RS485 communication with soft configuration support, enabling seamless integration with PLC, BMS, SCADA, EMS, and industrial monitoring systems. Powered by 12–24V DC, it is ideal for indoor air-quality monitoring, pollution detection, HVAC systems, and environmental applications.