Non-contact 24-hour flow velocity observation of rivers and waterways is now possible! A compact and energy-efficient flow meter. Water level observation is also completed with a single unit, and flow rate is calculated and output internally.
The RQ-30 is a radar sensor developed by the Austrian company Sommer that continuously measures the flow rate of rivers and waterways. It is a device that integrates two non-contact radar sensors that measure surface flow velocity and water level (certified for technical compliance). Due to its non-contact measurement, the system is not affected by damage from sediment or floating debris. For example, even in flood situations, it requires little maintenance and provides high reliability. It is equipped with a learning function that effectively removes measurement noise caused by rain and the terrain of the site. The lower limit for detection and measurement is very small at 0.1 m/s, allowing for the measurement of gentle flows. The distance to the water surface ranges from 0.5 m to 30 m (with 35 m and 15 m models also available), accommodating a wide range of measurements from small waterways to large rivers. Its low power consumption makes continuous operation in off-grid environments easy.
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basic information
- Maintenance-free - No underwater structures required - Fully operational even during floods - Can be operated with solar cells due to low power consumption - Supports both positive and negative flow - Wide measurement range (0.08 to 16/s) *depending on flow conditions - Capable of measuring in vegetated areas - Equipped with automatic angle correction function - Flow rate can be automatically calculated by inputting cross-sectional profile - No need for radio station notification as it uses specific low-power radio.
Price range
P5
Delivery Time
※Delivery dates may vary depending on the system configuration, so please feel free to contact us.
Applications/Examples of results
- River flow velocity measurement (capable of both low and high flow observations) With a unique signal processing algorithm, stable measurements can be conducted even during heavy rain or snowfall (proven results). - As a sensor for gate opening and closing It can measure the direction of flow (downstream and upstream) and flow velocity, making it useful as a switch for gate opening and closing.
Detailed information
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The sensor is lightweight and compact (the main unit weighs 5.6 kg), so installation work requires little effort. The measurement and power supply units are also compact, allowing for pole mounting. It is capable of operation without power using a small solar panel and can be installed on railings as well. Additionally, since the data processing unit is integrated with the sensor, there is no need for a storage cabinet for the processing unit.
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Even with rainfall intensity equivalent to 60mm/h, there is a proven track record of stable data acquisition. *In the demonstration field of rivers in Kawasaki City.
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It is possible to distinguish and measure both positive and negative flows. Detection and analysis of river backflow can also be performed.
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Continuous recording of flow rate and water level data is possible with the dedicated data logger (CSM-MRL-8). By connecting a modem to the data logger, data can be checked and downloaded remotely. The system can be powered by solar panels.
Line up（2）
| Model number | overview |
|---|---|
| CSM-RQ-30+ | Model for simultaneous measurement of flow rate and water level. Equipped with learning function. Internal calculation of flow rate is possible. |
| CSM-RG-30+ | Model for flow rate measurement only. Used when measuring at sites that already have a water level gauge or in combination with RQ-30+. |
Company information
A system integrator is a business that consistently undertakes tasks such as system design, construction, implementation, maintenance, and operation. At Climattec, we often receive inquiries like, "Can you measure this?" As a system integrator specializing in natural measurements, we have a proven track record in various natural environments, and we can provide the best proposals under any conditions, whether in deserts, snowy mountains, or at sea.
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