Annubar
The Annubar primary element is an averaging Pitot tube manufactured by Rosemount Inc.[1] used to measure the flow of fluid in a pipe.
A Pitot tube measures the difference between the
volumetric flow is calculated from that difference using Bernoulli's principle, taking into account the pipe's inside diameter.[2]
An Annubar, as an averaging Pitot tube, takes multiple samples across a section of a pipe or duct, averaging the differential pressures encountered accounting for variations in flow across the section.
References
- ^ Rosemount Annubar Flowmeter Series
- ^ Perry, Robert H., Don W. Green. "Perry's Chemical Engineer's Handbook, Seventh Edition". pages 10-8 to 10-9. McGraw Hill. 1997
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