Wastewater Treatment Plant - Stormwater Treatment Facilities

Flow Measurement at Overflow Sil

Flow Measurement at Overflow Sill
Stormwater overflow
Flow Measurement at Overflow Sill


  • Pipe with 1.5m diameter, overflow on the side
  • Part filled
  • Concrete construction

Definition of tasks

  • Stormwater overflow measurement in intake area of a WWTP according to EC self-monitoring regulation
  • Detection of overflow volume, overflow time and duration according to German DWA directives
Flow Measurement at Overflow Sill
Measurement principle at overflow weir
Flow Measurement at Overflow Sill


  • The non-contacting ultrasonic measurement system NivuMaster has been used.
  • All established discharge characteristics, which may be selected depending on the shape of the sill, are stored in the transmitter.


  • No additional PLC required, since daily volumes and total volumes are detected and saved internally
  • Quick and easy system programming thanks to clear text menus in dialog mode

Used products

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