Flow Measurement in large WWTP Intake Area

Wastewater Treatment Plant - Intake Area


  • Structured U profie made of concrete, 2.5 x 2.5 m (w x h) with dry weather channel
  • Partially filled
  • Very high discharge dynamics
  • Risk of sedimentation during nighttime

Definition of tasks

  • Detection of flow rate to WWTP
  • Highest possible accuracy despite very high discharge dynamics featuring levels from 40 to 200 cm


  • The measurement system Type NF 750 M3 with three CS2 flow velocity sensors has been used.
  • The sensors have been installed on wedge supports due to the risk of sedimentation.
  • A cable protection mounted directly on the sensor prevents damages through rat bites or similar.


  • Easy programming thanks to internal channel shape presets
  • Required accuracies are met thanks to the use of 3 velocity sensors
  • High resolution of readings through 2 analog outputs with different scales for dry weather and rain weather

Used products

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