The LoRa water quality ammonia nitrogen sensor is a device used to measure the concentration of ammonia nitrogen in the form of free ammonia (NH3) and ammonium ions (NH4+) in water. It can automatically perform temperature and pH compensation, suitable for high-precision measurement in various environments. Can be installed directly, compared to traditional ammonia nitrogen analyzers, it is more economical, environmentally friendly, convenient and fast. Supports LoRa TDMA ad hoc networks and standard LoRaWAN protocols.