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Pitot tube with micro-meter adjustment and separate wall tapping. For use with TecQuipment’s H40 Flow Meter Calibration unit.


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A popular flow meter for use with TecQuipment’s Flow Meter Calibration unit (H40). It shows the accuracy and use of a Pitot tube flow meter. 

This flow meter quickly and easily fits into place between the adaptors in the base unit of the Flow Meter Calibration unit. The manometers of the calibration unit show the pressure differences at the flow meter and across the overall flow meter assembly. 

A precision micrometer head allows the user to accurately adjust the position of the Pitot tip that traverses across the inside of the pipe. The tip measures the change in pressure across the pipe for a given flow rate. A second tapping in the pipe wall measures the ‘static’ pressure. Plots of these pressures show the velocity profile in a pipe and explains the ‘boundary layer’ and surface friction in pipes and flow channels.

Learning Outcome

  • Accuracy of pitot tube flow meters
  • Losses and k value
  • Calculation of the coefficient of discharge
  • Velocity profile

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In this Category

Learn more about the Fluid Mechanics category

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