Water Flow Velocity Sensor PRE570-RVS
Water Flow Velocity Sensor PRE570-RVS
The Water Flow Velocity Sensor PRE570-RVS is a state-of-the-art 24 GHz Doppler radar flow meter designed for accurate and continuous measurement of surface water velocity in rivers, open channels, culverts, and drainage systems.
Using non-contact radar technology, the PRE570-RVS measures water velocity safely and reliably, without being affected by sediment, debris, or changing environmental conditions.
Water Flow Velocity Sensor PRE570-RVS – 24GHz Non-Contact Radar Flow Meter
The Water Flow Velocity Sensor PRE570-RVS is a state-of-the-art 24 GHz Doppler radar flow meter designed for accurate and continuous measurement of surface water velocity in rivers, open channels, culverts, and drainage systems.
Using non-contact radar technology, the PRE570-RVS measures water velocity safely and reliably, without being affected by sediment, debris, or changing environmental conditions.
This sensor operates continuously, providing real-time flow data 24/7, and is ideal for hydrological monitoring, flood control, and environmental management. With its IP68 waterproof housing, RS485 Modbus communication, and Bluetooth 5.2 wireless debugging, the PRE570-RVS ensures high performance, easy maintenance, and seamless integration into modern monitoring systems.
Key Features & Advantages
💫 Advanced 24 GHz Doppler Radar Technology
Utilizes a high-frequency planar microstrip radar module to achieve non-contact surface velocity measurement. The design eliminates fouling, corrosion, or signal interference from sediment or floating materials, ensuring consistent data accuracy.
💫 High Accuracy and Wide Measuring Range
The PRE570-RVS measures water velocity from 0.1 m/s to 30 m/s with a precision of ±0.01 m/s. It features automatic pitch angle compensation (30° – 60°), maintaining stable readings across variable terrains and flow conditions.
💫 IP68 Waterproof and Rugged Design
Built with an aluminum alloy enclosure, this radar sensor withstands extreme outdoor conditions, from heavy rain and high humidity to freezing temperatures (−30 °C to +80 °C). It is ideal for long-term field installations in harsh environments.
💫 Multiple Communication Interfaces
Equipped with RS485 (Modbus-RTU protocol) and Bluetooth 5.2, allowing fast data transfer and convenient on-site wireless calibration. Field operators can configure and monitor the sensor directly via smartphone or tablet.
💫 Energy-Efficient and Safe Operation
Powered by 9 – 28 V DC, the sensor consumes less than 20 mA @ 12 V, making it compatible with solar-powered systems. Built-in lightning, reverse-polarity, and over-voltage protection circuits ensure stable and secure performance.
💫 Compact and Easy Installation
With dimensions of 110 × 110 × 46 mm, the PRE570-RVS is lightweight and compact. Its bracket-mount design allows quick setup in tight spaces or on existing monitoring structures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | PRE570-RVS |
| Transmission Frequency | 24.15 GHz (center) |
| Velocity Range | 0.1 m/s – 30 m/s |
| Accuracy | ± 0.01 m/s |
| Pitch Angle (Auto Compensation) | 30° – 60° |
| Antenna Beam Angle | 12° × 25° |
| Power Supply | 9 – 28 V DC |
| Working Current | < 20 mA @ 12 V |
| Communication Interface | RS485 (baud rate), Bluetooth 5.2 |
| Protocol | Modbus ( 9600) |
| Operating Temperature | −30 °C – 80 °C |
| Housing Material | Aluminum Alloy |
| Dimensions (mm) | 110 × 110 × 46 |
| Protection Level | IP68 |
| Installation | Bracket |
Applications
💧 River and Stream Flow Monitoring
Accurately measures surface velocity and discharge in rivers, streams, and natural water channels. Provides valuable data for hydrological analysis, flood forecasting, and environmental conservation.
💧 Open Channel and Drainage Flow Measurement
Ideal for irrigation canals, wastewater outlets, and open drains, where contact sensors are difficult to maintain. The radar system ensures stable and reliable measurements under varying water conditions.
💧 Urban Water Supply and Sewage Systems
Used in municipal water management to monitor flow in distribution and wastewater networks, supporting leak detection and flow balance control.
💧 Flood and Stormwater Management
Installed in flood-prone or mountainous areas to monitor flash floods, stormwater discharge, and provide early-warning data for disaster-risk reduction.
💧 Industrial and Environmental Applications
Perfect for industrial cooling systems, mining drainage, hydro-power plants, and smart monitoring stations, where precision and reliability are essential.
Benefits of the PRE570-RVS
✅ Non-Contact Measurement – Safe, low-maintenance, and unaffected by sediment or debris.
✅ High Durability – IP68 waterproof housing built for long-term outdoor use.
✅ Smart Connectivity – RS485 (Modbus-RTU) and Bluetooth 5.2 interfaces.
✅ Wide Operating Range – Performs reliably from −30 °C to +80 °C.
✅ Compact & Energy Efficient – Ideal for solar-powered or remote installations.
✅ High Accuracy – ± 0.01 m/s precision for stable, real-time velocity data.
Conclusion
The Water Flow Velocity Sensor PRE570-RVS combines precision Doppler radar technology, robust IP68 protection, and intelligent communication features to deliver accurate, real-time water velocity data for a wide range of environmental and industrial applications.
Its non-contact design, low power consumption, and maintenance-free operation make it a superior choice for river monitoring, open channel flow measurement, flood control, and urban water management projects.
With the PRE570-RVS, you gain a reliable, cost-effective, and future-ready solution for smart water flow monitoring and sustainable resource management.
