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Mobile measuring system for non-contact discharge measurement

With the mobile measuring device RP-30 (Radar Profiler) a surface velocity profile from rivers and channels is created and together with the data of the river cross-section and water level the discharge is determined. It's a very helpful measuring device especially for the use in flood conditions.

  • General
  • Technical data
  • Documents
  • Video
  • Images
  • Portable mobile measuring system
  • Simple mounting on cable cranes, bridge railings or tripods
  • Suitable for flood conditions and high flow velocities
  • Non-contact radar measuring technology
  • No threat from debris or driftwood
  • Calculation of discharge with known water level and cross section profile
  • Easy operator controls and handling
  • Remote data transmission via Bluetooth
  • Measuring range from +/- 0.10 to +/- 15 m/s (depending on the flow conditions)

 

The RP-30 is used in rivers, streams and open channels and calculates the exact discharge of the body of water through severeal sectional velocity measurements. As is the case with the RQ-30, this method of measurement is also based on innovative radar technology including all the advantages of a non-contact measuring device.

 

The Radar Profiler is ideally suited for selective measurement and therefore for project evaluation or control measurements. In contrast to most other measuring devices it provides reliable values even in flood situations - an extremely interesting situation from a hydrological point of view - and is, therefore, particularly used in flooding and natural hazard management.

With the aid of an adjustable traveller for handrails the Radar Profiler can be easily moved along a bridge railing to the desired measuring points. Alternatively it can be fixed to a cable crane or tripod. The measurement is then carried out in sections across the whole width of the water. Thanks to the integrated Bluetooth transmitter the data are transferred directly to a laptop during the measurement and can so be viewed in real time.

GENERAL
 
Dimensions 445 mm x 154 mm x 226 mmm
Total weight 6,6 kg (excluding traveler for handrails)
Protection IP 67
Battery 12 V / 4.5 Ah (for up to 40 h operating time)
Power consumption standby 10 mA; active operation 110 mA
Operating temperature -35 to +60 °
Distance to water surface from 0,5 to 35 m
Miscellaneous AA batteries
Data transmission Bluetooth (class 1, coverage up to 200 m)

VELOCITY MEASUREMENT
 
Measurement range 0,1 to 15 m/s
Accuracy +/- 0,01 m/s; +/- 1 % FS
Resolution 1 mm/s
Measurement duration  5 to 240 s
Measurement frequency 24 GHz (K-Band)
Radar opening angle 2 °
Distance to water surface od 0,5 do 130 m
Necessary minimum swell 3 mm

 

TitleDescriptionFilename
Non-contact Mobile Radar Profiler RP-30 Mobile, contact-free measurement of surface velocity profile on rivers specially under flood conditions ProductLeaflet_RP_30_EN.pdf 

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Mobile measuring system for non-contact discharge measurement
Radar profiler RP-30
Mobile measuring system for non-contact discharge measurement
Radar profiler RP-30 operated on a cable crane
Mobile measuring system for non-contact discharge measurement
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Mobile measuring system for non-contact discharge measurement
RP-30 adjustable traveller for handrails
Mobile measuring system for non-contact discharge measurement
Sommer RP-30 operated on a cable crane