Densimeter

Details Densimeter Densimeter

1988-10-25

1989-10-31

Chapman, John

Measuring and testing

Specific gravity or density of liquid or solid

G01N 900

Patent

active

048768804

ABSTRACT:
A densimeter is provided having a pump which impels a liquid at a constant volume through a fixed orifice. A pressure transducer measures the pressure drop of liquid across the orifice and sends a signal to a microprocessor. A microprocessor determines the density of the liquid which is equal to the pressure drop divided by a constant times the square of a volumetric flow impelled by the pump.

REFERENCES:
patent: 3726086 (1978-04-01), Herbstritt
patent: 4078378 (1978-03-01), Gold
patent: 4199003 (1980-04-01), Goldsmith
patent: 4277832 (1981-07-01), Wong
patent: 4419898 (1983-12-01), Zanker et al.
patent: 4508127 (1985-04-01), Thurston
patent: 4523477 (1985-06-01), Miller

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