HZ-SVR-24V-100 Fixed Mount Surface Velocity Radar

Time:2020/1/17 13:59:46Hits:

HZ-SVR-24V-100 Surface Velocity Radar measures the flow velocity of the fluid surface by analyzing the relationship between the Doppler Shift and the relative velocity. HZ-SVR-24V-100 is designed for water conservancy and hydrological monitoring. It can measure the surface velocity of irrigation channels and natural rivers by directly installed above the open channel and rivers.  HZ-SVR-24V-100 can form the Radar on-line flow measurement system, which can continuously obtain flow velocity data. As a new method of real-time flow velocity monitoring, it is especially suitable for the complex flow pattern to replace manual work and can truly realize 7 x 24 hours on-line monitoring.


Properties and Benefits:

1. Non-contact measurement method, not affected by sewage corrosion and sediment, easy for operation and maintenance.             

2. The surface velocity of 0.1m/s can be measured by using professional flow measurement control algorithm and radar antenna for detecting weak targets. 

3.  Flow direction detectable.          

4.  Using 24 GHz electromagnetic wave, low power consumption, suitable for various extreme weather environments.        

5.  Certification from “Quality Supervision, Inspection and Testing Center of the Hydrological Ministry Water Resources Instruments and Geotechnical Engineering Instruments”.

6. Compact size, easy to install and integrate.

7. RS-485 Data interface, Modbus and customizable communication protocol.



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Velocity range

0.1m/s~20m/s (depending on flow conditions)

Velocity accuracy

±0.01m/s; ±1%FS

Radar frequency

24GHz 

Beam width

12°

Vertical angle

30~70°(automatic compensate accuracy 1°, resolution 0.1°)

Power consumption

Working: <60mA(@DC12V)Standby:<35mA(@DC12V)

Power supply

DC 6~30V, 12V is recommended

Operation temperature

-35℃~+70℃

Baud rate

9600 bps to 115200 bps

Communication mode

RS-485, Modbus protocol

Ambient temperature output

Accuracy:  ±1℃;  Resolution:  0.1℃

Protection 

IP68

Product dimension

105x105x60mm

Product weight

0.45kg

 1. Hydrological Flow Monitoring System of Natural River         

The on-line flow measurement station of natural river radar consists of radar flow meter, radar velocity meter (surface velocity radar), wireless data transmission module and solar power supply module. Radar flow meter collects real-time water level and velocity of each section, calculates real-time flow of the section according to the three-dimensional hydraulic model, and sends data through wireless module to the server software center. The whole system is powered by solar modules. According to the width of river section and the shape of river bottom, the number of velocity meter can be optimized. The actual situation of the river decides the installation mode to be on the bridge or on vertical poles. 


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2. Irrigation Open Channel Flow Monitoring System           

Real-time monitoring of open channel flow and water volume is one of the core contents of modern irrigation area management. It is also the basic condition to promote metered irrigation, water saving and improve crop water productivity. In the operation and management of irrigation districts, flow measurement is an important part of irrigation management. It is an important basis for optimal allocation of water resources, rational dispatch, planned water using and metering fees. It is also concerning the direct interests of both suppliers and users. On-line flow monitoring of the open canals, especially at the head of canals, can provide real-time information about the water consumption of irrigation areas, which is very important for water use or water diversion control and facilitates the overall management of irrigation areas.

HZ-SVR-24V-100 radar on-line flow measurement system can continuously obtain flow velocity data. As a new method of real-time flow velocity monitoring, it is especially suitable for the complex flow pattern to replace manual work and can truly realize 7 x 24 hours on-line monitoring.

Flow Monitoring Project of a Reservoir Irrigation Area

 

Project Overview            

Monitoring the canal flow behind the gate    

By monitoring the canal flow before and after the gate, gate opening can be controlled.            

Through the long-term monitoring of the flow velocity in the canal, the flow velocity at all levels can be controlled and the flow velocity of water distribution can be reasonably allocated.            

 

Challenges            

The water volume in the canal is controlled by the gate. According to different irrigation requirement, the water level varies violently. Traditional contact measuring equipment such as ultrasonic flow meter and ADCP cannot be used.            

Higher sensitivity and accuracy are required.  

 

Solution            

Customer finally decided to choose HZ-SVR-24v-100 surface velocity radar for real time flow monitoring by install devices on a bridge, and upload the velocity data to the platform.  

Installation locations:

Installed above gentle and stable water surface, no backflow and eddy, no obstacle on the water surface within the measurement range.

Avoid drainage outlet, vertical drop, baffle, river bending and other environments.  

The center line of the equipment should be consistent with the direction of the water flow, and the center axis of the radar flow meter should be perpendicular to the water surface.


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