Applications

Channel Networks - Stormwater Treatment Facilities

Overflow Measurement

Kanalnetz
Discharge Measurement without Space in a closed stormwater overflow tank
Ultrasonic level measurement with tilted mirror
Discharge Measurement without Space in a closed stormwater overflow tank

Application

  • Stormwater overflow tank with cover
  • Maximum overflow head 0.35 m
  • Very low distance between weir crest and ceiling (0.50 m)

Definition of tasks

  • Detection of impoundage (beginning and end)
  • Output of tank overflow  (beginning, end and overflow volume)
  • Reliable non-contact measuring at lowest distance between ceiling and maximum water level
Entlastungsmessung ohne Platz im geschlossenen RÜB
Schematische Darstellung der Messung
Entlastungsmessung ohne Platz im geschlossenen RÜB

Solution

  • An ultrasonic measurement transmitter Type NivuMaster LF-5:2 has been installed. Thanks to comprehensive programming options and numerous outputs it is possible to calculate and to output the parameters "Tank Impoundage“, "Tank Overflow“ and the overflow volume (as requested by German DWA organisation) by using only one unit.
  • Using an innovative tilted mirror allows to install the ultrasonic sensor close to the maximum water surface level.

Advantages

  • Saves time and costs since only one device is required

Used products

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