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DMAs (District Metered Areas)

Installation of accurate, reliable and stable insertion flowmeters for DMAs
DMAs (District Metered Areas)



  • Our customer is a water authority that decided to apply DMAs to their drinking water network to identify potential leakages by monitoring permanently the night flows.



  • District Metered Area (DMA) application with to be monitored (flow & pressure)
  • Flowmeters must be bidirectional
  • Pipe size range: 8” (200 mm) to 12” (300 mm)
  • Strong repeatability needed and high accuracy expected
  • The goal is to track Minimum Night Flow to calculate water losses through leaks
  • Flow and pressure must be locally recorded and transmitted to a web interface via cellular communication
  • All instruments shall be powered with solar panels



  • Installation of 12 bidirectional TORPEE-MAG 1.5” full pipe multi-point electromagnetic flowmeter systems
  • Converters are installed in an electrical cabinet powered by solar panels
  • TORPEE-MAG supplied with a ¼” quick release connector to connect a pressure sensor. Flow AND pressure on the same tap
  • Pulse outputs are recorded by a logger equipped with remote data communication