... 1. multi communication 2. storage function Hydrological Telemetry Terminal Apparatus—Wireless GSM/GPRS/RTU Water Level /Rainfall Data ... collect and processes real-time rainfall, water level, flow, gate opening, the water quality parameters of rivers, reservoirs, and ... storage function:The whole English LCD*: Station number, time, water level, rainfall;* Coefficient is set: the station number, elevation ...