Our RS485-type O2 temperature and humidity sensor boasts rapid response, high sensitivity, and strong anti-interference. Calibrated via multi-stage standard gas and unique compensation algorithms, it offers long service life (≥24 months), high precision (O2: ±2%FS, temp: ±0.5℃, humidity: ±3%RH) and stability. With 10-30V DC wide voltage supply, it adopts ModBus RTU protocol, supporting address/baud rate setting and 2000m long-distance communication. Featuring a waterproof wall-mounted design, it suits harsh environments like warehouses, workshops, chemical plants, and greenhouses. Optional OLED screen enables on-site reading. Ideal for real-time gas and environmental monitoring, it’s your reliable choice for diverse industrial and commercial needs.