A High Pressure Differential Manometer

[+] Author and Article Information
S. C. Barnett, T. W. Jackson, R. H. Whitsides

Georgia Institute of Technology, Atlanta, Ga.

J. Heat Transfer 85(2), 180-181 (May 01, 1963) (2 pages) doi:10.1115/1.3686049 History: Received October 15, 1962


A unique manometer has been designed and successfully used to measure pressure drops of a few millimeters of mercury at static pressures up to 10,000 psia. The manometer, which utilizes a column of water and mercury, is a primary standard because the mercury surface is visible at all times. It is designed for static pressures up to 20,000 psi; however, very minor revisions would make the manometer suitable for pressures up to 50,000 psi. A description of the manometer and pertinent equations is included.

Copyright © 1963 by ASME
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