Wastewater Treatment Plant - Discharge Area

Partial Discharge Section Flow Measurement

Partial Discharge Section Flow Measurement
Pump room with discharge line on rear wall
Partial Discharge Section Flow Measurement


  • Pipe DN 500, made of stainless steel
  • Full filled
  • Service water tapping and feeding point

Definition of tasks

  • For secondary clarification control a partial discharge of the WWTP needs to be measured
  • Recorded values shall be forwarded to control system
Partial Discharge Section Flow Measurement
Sensors installed in pipe line
Partial Discharge Section Flow Measurement


  • A transit time measurement system Type NivuSonic using 2 measurement paths has been used.
  • The sensors have been installed in a measuring pipe with integrated ball valves. This allows to replace sensors under process conditions at any time.
  • Crosswise path arrangement virtually eliminates crossflow during calculation.


  • Easy and robust installation using calibrated pipe segment
  • No bypass required
  • High accuracy and reproducibility

Used products

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