Liquid density meter

Details Liquid density meter Liquid density meter

G - Physics

01

N

73/10, 73/126

G01N 9/02 (2006.01) G01N 9/26 (2006.01)

Patent

CA 1112471

12 ABSTRACT LIQUID DENSITY METER An apparatus for measuring the density of a liquid or of a suspension of solids in a liquid is disclosed. The apparatus comprises two pressure sensors adapted to be moun- ted in the liquid so that the two sensors are vertically at predetermined levels apart, a differential pressure trans- ducer, and proper tubings including a differential pressure zeroing device interconnecting the pressure sensors to the differential pressure transducer, for providing an output proportional to the density of the liquid which is compensa- ted for the differential pressure caused by the differential hight of said pressure sensors in the liquid. In a prefer- red embodiment of the invention, the differential pressure zeroing device is a pair of U-tubes filled with liquid and the tubings comprise gas filled tubings interconnecting one branch of each U-tube to respective pressure sensors and the other branch of each U-tube to the differential pressu- re transducer.

340920

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