Nivus GmbH

Im Täle 2, 75031 Eppingen, Germany

NivuFlow 7550 Hybrid Flow Measurement with Surface Radar and Ultrasonic Profile Scanner

Introducing the new NivuFlow 7550 the measurement systems manufacturer from now on provides a hybrid metering system for flow rate detection besides measurement systems based on ultrasound and radar technology.

In addition to flow velocity determination using radar the transmitter is designed to detect velocities by using the ultrasonic cross correlation method. So the complete measurement system is equipped with two flow velocity sensors, one level sensor and the NivuFlow 7550 hybrid transmitter.

Depending on the sensor installation position and the filling level there are two basic applications for hybrid metering: hybrid metering as measurement range extension (e.g. impounding in canals) to make sure the measurement covers the entire range and hybrid metering as redundant systems to increase accuracy.

The hybrid measurement system benefits from the advantages of both technologies. Thanks to the ultrasonic cross correlation method the velocities are measured in various flow levels. This not only enables to map the flow profile but also to increase the accuracy of the entire system.

The radar sensor is installed outside of or above the medium and hence is ideally suited for applications featuring sedimentation. Measuring the surface velocity using radar moreover helps to increase the determination of the hydraulic model prevailing.

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