Sommer Non-Contact Radars Newsletter

Game Changing Radar
Measure almost anywhere


Could there be anything more important to those responsible for obtaining precise water data measurements than 'best in class' accuracy, unparalleled reliability and a whole new level of safety for those doing the measuring. Non-Contact Radar technology opens up a whole new world of possibilities for precision measurement when it counts the most...even in flood situations.  The instruments were tested at the USGS Hydrological Instrumentation Facility (HIF) and are now approved for sale to all USGS offices.  In addition they have also received   official certification from the Suisse Federal Institute  METAS.  These revolutionary radars are changing the game in non-contact velocity and discharge measurement.
Introducing Non-Contact Radar for every scenario.  Whether you need a Velocity or Discharge Radar Sensor installed at a fixed location for continuous records, or a portable Velocity radar for making on-the-fly discharge measurements from a bridge or cableway, the Sommer family of non-contact radar sensors has you covered.  Maybe your task is to measure a wide river with inhomogeneous velocity distribution or you're looking to use your own level sensor in tandem with a Sommer velocity radar. No fear...there's a radar suitable for your application.
RQ-30 Non-Contact Discharge Radar

Using innovative Radar technology the RQ-30 is ideal for discharge measurement of rivers, open channels and canals with known cross-section profile, enabling reliable, non-contact measurement without the need for structural work in the water.

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RP-30 Radar Profiler

The mobile measuring device RP-30 is used to determine the velocity profile of rivers and streams.  Together with cross section and water level data the total discharge can be established - a highly useful measuring instrument especially during situations of high water levels or floods.

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In January 2015, the Sommer Radar Velocity Sensor underwent testing at the Federal Institute of Metrology in Berne Switzerland. The METAS high velocity rating tank is considered one of the top facilities of its kind worldwide.
Following the stellar results at METAS, our Velocity Radar spent 2 days at the Stennis Space Center, home of the USGS Hydrologic Instrumentation Facility - the HIF.  These revolutionary radars are now approved for use by all USGS offices.

USGS installs RQ-30 Flash Flood Warning System in Rocky Mountains as 'Proof of Concept'. 
In an area notorious for flash floods and endangerment of life and property, the USGS recently installed a flash flood warning system as 'proof of concept' in a remote area of Waldo Canyon, Colorado. With 3 cable suspended RQ-30 radar sensors continuously measuring velocity, data is simultaneously telemetered over 3G Cellular and Iridium Satellite networks. Leading the project is John Fulton, Surface Water Specialist USGS Colorado WSC, with support from the Colorado Department of Transport.

Need to upgrade an existing measuring site with additional surface velocity measurement? The RQ-30L is an ideal solution providing contact free discharge measurement without the need for big investment.

Measure discharge more precisely, especially in rivers and streams where there is uneven velocity distribution. Observe varying velocities in very broad streams as well as in situations where the measuring site is located close to a river bend, an incoming river or watergates.  

RG-30 Velocity Radar
The innovative RG-30 sensor has been designed for non-contact measurement of surface velocity in rivers, open channels and canals. Based on the principle of the Doppler frequency shift, the local flow velocity is determined through the comparison of the radiated frequency and the reflected frequency from the water surface.  

I am very excited about the Sommer family of Velocity and Discharge Radars. Now approved for sale to all USGS offices along with official certification from METAS, y ou can feel confident using this equipment on your next project, no matter how challenging or unique the measuring environment.  


Peter Ward
Hydrological Services America


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