How to choose the radio frequency water level monitoring sensor?

　　The flow of rivers and channels changes with the change of weather. The flow of upstream determines the hydrological situation of the downstream. Flood prevention and drought resistance are key items of national water conservancy project management. With the development of national industry, water resources are becoming more and more tight, and water pollution is increasing, and available water sources are becoming more and more scarce. The importance of online flow monitoring of small and medium rivers is more prominent. The real-time online monitoring of river flow is to realize the timely collection and accurate transmission of monitoring data for rain conditions. The water level monitoring sensor can monitor the river flow online, which can grasp the available water resources in real time, and adjust the water volume of the county and city-level basins through sluices. Understand the direction of the river and provide a basis for decision-making. During the period of mountain torrents and typhoons, grasp the flow of each river to prevent disasters. The online flow monitoring of river flow at the junction of provinces, cities, counties and towns facilitates the management of authority of various departments.

　　Principle of radio frequency water level monitoring sensor:

　　Real-time monitoring is realized by the radio frequency water level monitoring sensor, which is installed on the side of the river to realize the monitoring of water volume, water flow, and water level. The sensor collects data information, and transmits the data to the data transmission terminal DTU through the serial port. The data transmission terminal has a communication module. Use the cellular network to upload data to the server platform. The data transmission terminal has strong real-time performance and high collection efficiency, and automatically collects regularly online; the collection serial port interface can meet the needs of its application.

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