Pitot Static Tube

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Pitot Static Tube

</dt>
A device consisting essentially of a unit combination of a pitot tube and a static tube arranged coaxially or otherwise parallel to one another, used principally in measuring impact and static pressures; also called pitot-static head. </dd>
The difference between impact and static pressure is used to measure the velocity of flow past the tube by means of a differential-pressure gage. The static pressure from a pitot-static tube may, in addition, be used in the operation of an altimeter and similar instruments. [[/a>|/a> ]]

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use