Vibrating tube densimeter

Details Vibrating tube densimeter Vibrating tube densimeter

1986-02-19

1987-04-07

Levy, Stewart J.

Measuring and testing

Specific gravity or density of liquid or solid

G01N 900

Patent

active

046550755

ABSTRACT:
A vibrating tube densimeter characterized by separate electrical conductors attached to and moving with the tube. By interaction with a constant magnetic field in which they move, and in cooperation with an electronic circuit outside the invention, one of the conductors vibrates the tube and the other senses the vibration. The novel design is simple and permits operation at high temperatures.

REFERENCES:
patent: 3117440 (1964-01-01), Wilner
patent: 3728893 (1973-04-01), Janssen
patent: 4187721 (1980-02-01), Smith
patent: 4262523 (1981-04-01), Stansfeld
patent: 4422338 (1983-12-01), Smith
patent: 4491009 (1985-01-01), Ruesch
patent: 4524610 (1985-06-01), Fitzgerald et al.

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