Flexim WD series

Contact Instrument Solutions


Unlike other products in the market today the Flexim WD series of permanent ultrasonic water flow meters don't require a method of zero drift correction because they just don't drift ! The unit is designed to measures flow rates as low as 0.01 m/s and is extremely accurate. The precise monitoring of minimum night flows for water suppliers is an essential part of their leakage detection activites and this WD series is the perfect tool for this task. Installation costs are significantly reduced as well as the clamp-on technology of the WD series does not require any work that affects the integrity of the pipe. This enables a cost-effective and very simple installation of further flow measurement points within an existing water supply network. The WD series transducers are connected with permanent coupling pads ensuring the durability of the system and makes it suitable for both installations in chambers and buried installations.


  • Very low installation costs and zero pipe interference
  • Extremely accurate down to flow velocities as low as 0.01 m/s
  • No zero calibration needed and permanently drift-free
  • Permanent coupling pads
  • IP68 transducers
  • Transducers can be permantly buried (no instrument chamber required)


Five models available. Please see technical documents attached for the specifications for the individual models.

Support documents

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Flexim WD series permanent ultrasonic water flow meter data sheet.pdf Flexim WD series permanent ultrasonic water flow meter data sheet
Technical document
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