Densitometer drive

Details Densitometer drive Densitometer drive

1978-06-28

1979-05-01

Gill, James J.

Measuring and testing

Specific gravity or density of liquid or solid

G01N 900

Patent

active

041517431

ABSTRACT:
A vibration densitometer having a magnetostrictive drive with a coil, and a crystal pick-up. A loop circuit including a driver amplifier provides the coil with current which leads the crystal voltage by 90 degrees for maximum efficiency.

REFERENCES:
patent: 3967490 (1976-07-01), Brady

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