<p style="line-height: 1;"><span style="font-family: "Times New Roman";">The system adheres to the design philosophy of ​unattended operation, reliability, maintainability, and functional completeness.</span></p><p style="line-height: 1;"><span style="font-family: "Times New Roman";">It employs ​radar wave technology to measure vertical velocity profiles across multiple transects while synchronously acquiring water level data.</span></p><p style="line-height: 1;"><span style="font-family: "Times New Roman";">Flow rate is calculated automatically through the ​partial area method, enabling real-time flow monitoring.</span></p><p style="line-height: 1;"><span style="font-family: "Times New Roman";">Non-contact surface velocity measurement</span></p><p style="line-height: 1;"><span style="font-family: "Times New Roman";">Integrated piezoelectric sensor array</span></p><p style="line-height: 1;"><span style="font-family: "Times New Roman";">Built-in data acquisition & algorithm processing unit</span></p><p style="line-height: 1;"><span style="font-family: "Times New Roman";">Supports 4G/LoRa dual-mode transmission</span></p><p style="line-height: 1;"><span style="font-family: "Times New Roman";">200W photovoltaic panel with MPPT charge controller</span></p><p style="line-height: 1;"><span style="font-family: "Times New Roman";">Web-based dashboard with data visualization & alarm configuration</span></p><p style="line-height: 1;"><span style="font-family: "Times New Roman";">ISO 20022-compliant water management protocol support</span></p>
Technical Parameter
Data Parameters
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​Measurement Range: 0.2~18 m/s

​Speed Measurement Accuracy: ±0.05 m/s

​Timing Resolution: 1 sec precision, 0.1 sec resolution

​Measurement Duration: 0~99.9 sec

​Beam Width: 12°

​Transmit Power: 50 mW

​Microwave Frequency: Ka Band

​Effective Range: 0~100 m

​Operating Speed: ≤60 m/min

​​Wireless Communication: 1000 m range

​Positioning Accuracy: ±1%

Fault Response: Auto-return to mooring point 200 sec after system failure

​Power Supply: 24V Lithium Battery (continuous operation >3 hrs)

​Wireless Module: Zigbee 2.4G, USB interface

​Frequency: 2.4 GHz

​Operating Temperature: -30~70 °C

​Environment: All-weather operation (usable in rain/storms)