TFX-500w Ultrasonic Clamp-on Flow Meter


The Dynasonics® TFX-500w transit time ultrasonic flow meter measures the volumetric flow of clean water in pipes 10 in. or smaller. Its clamp-on design allows the meter to be installed without cutting or tapping the pipe.

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Badger Meter


Simple Installation. Cost-Effective Solution.


Because of its clamp-on design and impressive accuracy, the Dynasonics TFX-500w flow meter is a cost-effective option for measuring water flow in a variety of applications.

  • Non-Invasive/Non-Contact. These meters easily attach to a pipe’s exterior and are secured in place without ever penetrating the pipe or coming in contact with the internal liquid. This feature is especially beneficial in settings where the liquid should not be exposed, such as caustic liquids, raw sewage or ultrapure water.
  • Streamlined Installation. Can be installed without cutting into the pipe, eliminating the need for flanges, pipe fittings, draining and air purging.
  • Application Flexibility. Is suitable for building automation, water distribution and wastewater collection in new and retrofit applications.

Product Certifications

CSA ATEX Type Examination Certificate-TFX-5000
CSA ATEX Type Examination Certificate-TFX-5000
Dynasonics TFX-500w Clamp-On Meter Certificate Binder
This Certificate binder is created to provide as accurate and authoritative information regarding the subjects covered as was available at the time of writing.
FM Ord Loc Canada-Dynasonics TFX-500w
FM Ord Loc Canada-Dynasonics TFX-500w


  • Size Range
    1/2…10 in.
  • Temperature Range
    -40…250 °F
  • Flow Range
    0.1…9800 gpm
  • Accuracy
  • Interface
    BACnet MS/TP, Modbus RTU, BEACON/AquaCUE Connectivity

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