Method and apparatus for measuring pressure, more...

Details Method and apparatus for measuring pressure, more... Method and apparatus for measuring pressure, more...

G - Physics

01

L

73/129

G01L 7/16 (2006.01) G01F 23/14 (2006.01) G01L 9/00 (2006.01) G01L 19/00 (2006.01)

Patent

CA 1196802

ABSTRACT OF THE DISCLOSURE The disclosure describes a method for measuring pressure, more particularly the stationary, or quasi- stationary, pressure of a fluid, with a pressure actuated measuring piston guided in a cylinder and communicating with a load measuring device. According to that method the piston is guided in the cylinder, without contact, by means of hydro- static or pneumostatic lubrication with a separating fluid supplied under pressure. An apparatus to carry out the method is also disclosed. The measuring device is capable of completely eliminating existing measuring uncertainties and cases where weighing is impossible. More particularly, in weighing the pressure of a column of liquid as a basic factor in gravimetrical determination of quantities, the effect of temperature is eliminated and therefore need not be considered.

415009

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