Principle and installation method of Doppler acoustic flowmeter for river water flow velocity

Abstract: The information on the principle and installation method of the Doppler acoustic flowmeter for the flow rate of river water is provided by the excellent flowmeter and flowmeter manufacturers. Water conservancy and flood control of natural rivers are related to people's safety and social stability, and flow monitoring is an important part of flood control. Flood control monitoring of small and medium rivers can realize real-time understanding of river water volume, which is of great significance to flood control. At the same time, it saves water sources and regulates the stinginess of the area. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is the principle and installation method of the river water flow rate Doppler acoustic flowmeter for details. Water conservancy and flood control of natural rivers are related to people's safety and social stability, and flow monitoring is an important part of flood control. Flood control monitoring of small and medium rivers can realize real-time understanding of river water volume, which is of great significance to flood control. At the same time, its functions of saving water sources and regulating regional microclimate also make the country pay more attention to the rational development and utilization of water resources, so it is particularly important to reflect the current situation of water flow in small and medium-sized rivers in a timely, accurate and comprehensive manner. In this case, a provincial hydrological bureau installed DX-LSX-1 Doppler ultrasonic flowmeters in several hydrological bureaus in key river sections to monitor the flow of major medium and small rivers in the province, and to achieve 24-hour online flow monitoring, Monitor the flow changes during the flood season, master the basic information and data of the river, and provide a basis for flood control and drainage. A Doppler ultrasonic flowmeter is an instrument that measures velocity and flow in natural water bodies. It eliminates the need to cut pipes and install in-line sensors like electromagnetic flowmeters, nor to use shutoff devices, let alone install fixed weirs to control the flow of water from a fixed outlet. Just fix it in the direction of water flow, and when the water flow exceeds 2 cm, the comprehensive detection of water flow speed, flow rate and water level can be started. The principle of the DXS-LSX-1 Doppler ultrasonic flowmeter: The Doppler ultrasonic flowmeter uses the velocity area method to measure the flow, and it contains a water level gauge and a flow sensor. When using, input the channel type and parameters into the controller in advance, the controller can use the water level to convert the overflow area by itself, and the water volume can be determined by the overflow area.×Flow calculation. Doppler Ultrasonic Flowmeter Product Features: Wide range: 0.05m/s (flow velocity) Resolution up to 1 mm/s (flow velocity) Long response time, breaking the previous situation that it takes a long time to obtain flow and flow , the measurement results are refreshed from time to time. ●The flow velocity area method is suitable for the whole pipe and the non-full pipe, and the relationship between the water level of the section can be freely set. ●Internal high-precision temperature sensor can be used for water temperature measurement and sound velocity compensation. ●The design of the hydrodynamic shell has little effect on the water flow state and does not affect the measurement accuracy. ●Anti-corrosion shell design, can work for a long time in harsh environment. ●Can provide instantaneous flow value and cumulative flow value. ●No mechanical rotating parts, no sediment clogging or entanglement of aquatic plants and sundries. It is most suitable for river measurement with high suspended sediment content and a large amount of floating substances such as aquatic plants. ●Linear measurement, factory calibration, long-term use does not require calibration. ●Equipped with data receiving software, which can read real-time data and accumulated data. Technical parameters: Flow velocity: Measuring range: 0.05m/s Accuracy: 1.0% 1cm/s Resolution: 1mm/sec Water depth: Measuring range: 0m-5m (can be set higher) Accuracy: 1cm Resolution: 1mm Temperature: Measuring range: -10℃-60℃ Accuracy: 0.5℃, Resolution: 0.1℃ Cross-section flow pattern) Resolution: 0.0001 m/s Power supply: DC 10V-24V Working current: 12V less than 0.1A Output signal: RS485 (Modbus-RTU) Protection class: IP68 Working temperature: 0℃-60℃ (no icing) ) Storage temperature: -10℃-70℃ Equipment material: gray PVC Doppler flowmeter installation method In this case, DX-LSX-1 Doppler ultrasonic flowmeter performs 24-hour online real-time measurement, installation Typical stable location in a natural river hydrological station. In addition to the final flow data, flow and water level data can also be obtained at the same time, which is convenient for users to understand the river water volume and internal flow state, and always maintains a stable working state to help users monitor river flow. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Principle and Installation Method of Doppler Acoustic Flowmeter for Flow Rate of River Water'

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