RG-30 Non-contact flow measurement

RG-30/ RG-30a Non-contact flow measurement

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Non-contact flow measurement for surface running waters, like rivers, streams, channels, canals or open canels. Radar sensors detect gapless all flood data at high water. The system is also suitable to use as evidence of outward flow in power plant operation.

  • Free of maintenance
  • No structural measures in water bodies required
  • Simple integration into existing systems
  • No system risks at high water
  • Low energy consumption, solar operation possible
  • Detection of flow direction
  • Measuring range from 0,30 to 15 m / s
  • Measurement in ebb tide / flood affected waters
  • Analogue output (RG-30a)
General  
Dimensions: 241 mm x 246 mm x 154 mm
Total weight: 2.7 kg
Protection: IP 67
Power supply: 6...30 V
Power consumption at 12V: standby approx. 1mA; active operation approx. 110mA
Operating temperature: -35...+60 °C
Miscellaneous: protection against over voltage, reverse power and lightning
Velocity measurement  
Measuring range: 0.10...15 m/s (depending on flow conditions)
Accuracy: +/- 0.01 m/s; +/- 1 % FS
Resolution: 1 mm/s
Direction recognition: +/-
Measuring duration: 5...240 sec.
Measuring interval: 8 sec. ...5h
Measuring frequency: 24 GHz (K-Band)
Radar opening anlge: 12°
Distance to water surface: 0.50...35 m
Minimum swell needed: 3 mm
Automatic vertical angle compensation  
Accuracy: +/- 1°
Resolution: +/- 0.1°
Interfaces  
Analogue output: 4...20 mA (RG-30a)
Interface: 1x SDI-12 1 x RS 485 or Modbus