Densitometer

Details Densitometer Densitometer

G - Physics

01

N

G01N 9/00 (2006.01)

Patent

CA 2059648

2059648 9102963 PCTABS00003 A fluid densitometer is constructed using loudspeaker technology. The loudspeaker diaphragm carries a fluid sample chamber. The increased mass loading causes a shift in resonant frequency of the loudspeaker when driven in positive feedback. With suitable calibration the shift in frequency provides a measure of the density of the fluid sample. In a modification, two loudspeakers are mounted back to back with the opposing diaphragms defining a sample chamber.

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