This RS485-type phosphine (PH3) sensor adopts the electrochemical principle and supports the ModBusRTU protocol. With a measuring range of 0-1000ppm and a resolution of 0.1ppm, it boasts high detection accuracy and stable performance. Powered by 5-28VDC wide voltage, it features a wall-mounted waterproof design suitable for harsh environments and can proactively report data anomalies. It is widely used in phosphine monitoring scenarios such as industrial safety, agricultural production and environmental protection.
