Densitometer

Details Densitometer Densitometer

1990-05-21

1991-06-25

Williams, Hezron E.

Measuring and testing

Specific gravity or density of liquid or solid

73 54, 73 57, G01N 910, G01N 1110

Patent

active

050256564

ABSTRACT:
A densitometer (10) provides a chamber (24) within which a ferromagnetic bob (27) is shuttled back and forth by alternate driving of two coils (32 and 34). Measurement circuitry (FIG. 2) determines the density of the fluid inside the chamber (24) by comparing the stroke times in opposite directions.

REFERENCES:
patent: 3677070 (1972-07-01), Norcross
patent: 4627272 (1986-12-01), Wright
patent: 4864849 (1989-09-01), Wright

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