Contactless Flow Measurement

Wastewater Treatment Plant - Intake Area


  • Concrete channel, width 1.2 m
  • Partially filled
  • Measurement point upstream of screen and grit trap
  • High sedimentation loads


Definition of tasks

  • Intake measurement as control measure to avoid WWTP flood
  • Contactless measurement system due to partially high pollution loads
  • Easy installation
  • No Ex required (open, aerated channel)


  • No sensors can be installed on the channel bottom or in floats due to high pollution loads or foam on the surface.
  • The surface radar measurement system Type NivuFlow 550 has been used since the measurement is for control purposes only without the need for certification.
  • The system measures the velocity of the surface waves and calculates the current flow rate from this velocity, the measured level and the defined rectangular channel shape.


  • Contactless
  • Insensitive to soiling
  • Easy to install

Haven't found the appropriate product?

Product Consultation

You want to have best information about our products? Our experts will gladly develop together with you the best system solution for your application.


You have questions about your NIVUS products in use? Our service hotline will readily support you.

We are glad to have you here! For any question regarding water or digitisation we are happy to answer you call or your email message.
Im Täle 2
75031 Eppingen