IS-4000 Open Channel Flow Meter


The Dynasonics® IS-4000 Open Channel flow meter measures level, flow rate and total volume of water flowing through weirs and flumes. It’s ideal for applications where sediment does not build up.

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Badger Meter


Simple Setup. Accurate Measurements.


The Dynasonics IS-4000 Open Channel flow meter is an economical solution that includes a non-contact ultrasonic level sensor to detect water level and then calculates flow rate and total volume.

  • Precise Measurements. Measures water level, flow rate and total volume with a single device and retains a historical log of all measurements.
  • Reliable Operation. Features preprogrammed tables to simplify setup and calculates flow rate based on the geometry of the channel or primary element and water depth.
  • Application Flexibility. Performs best where sediment does not build up, including flow into water treatment plants, storm and sanitary sewer systems and industrial discharge applications.

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