- RQ-30 - Contact Free Discharge Measurement with RADAR

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Sommer - RQ-30 - Contact Free Discharge Measurement with RADAR
The RQ-30 system measures the discharge of a river, stream, canal etc. with contact free RADAR technology. The unique feature of the RQ-30 system is the continuous capturing of flow velocity which enables an exact discharge measurement and evaluation of specific discharge situations. In case of flood the system measures the exact discharge and because of the non-contact radar technology there is no damage of the measurement system by bed loads or trees. If the floodplains get flooded the discharge is determined by combining several RQ-30 sensors to one system. The RQ-30 system measures from very low water depth up to the maximum possible discharge of a 100-year flood or even greater. To measure any discharge situation at rivers, torrents, creeks, mountain torrents or open channels the RQ-30 is a unique and reliable system.

RQ-30 system - components

  • RQ-30 discharge sensor: Measures the flow velocity, integration of radar level sensor and calculation of the discharge
  • Radar level sensor
  • Protective casing for both sensors

Example of Use


Technical Data

Functions and Advantages

  • Maintenance free
  • No structural construction in the water needed
  • Fully functional even in flood water situation
  • Low power consumption allows solar cell instigation
  • Detection of flow direction
  • Measurement in back water situation
  • Recognition of vegetal invasion
  • Measurement in tide dependent rivers
  • Own measurement interval or externally triggered
  • RQ-30a: analog output 4 to 20 mA
Sommer GmbH
Sommer GmbH
Strassenhaeuser 27
Koblach 6842

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