... Hydrological Telemetry Terminal Apparatus—Wireless GSM/GPRS/RTU Water Level /Rainfall Data Acquisition/Collector/LoggerIntroduceIt is a real ... to collect and processes real-time rainfall, water level, flow, gate opening, the water quality parameters of rivers, reservoirs, and watershed ... 16 with +36 VDC protection* The number of high-precision analog interface: 4 pieces of 12bit differential, 1 ...