Device for locating the position of the separation between two m

Details Device for locating the position of the separation between two m Device for locating the position of the separation between two m

1996-02-15

1997-12-16

Williams, Hezron E.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Interface

73293, 356436, G01N 2101, G01N 2185, G01N 3318

Patent

active

056987757

ABSTRACT:
A device locating a position of transition between respective layers of first and second fluids, the device comprising: proximal and distal ends, an immersible signal emitter positioned at the distal end, an immersible signal receptor also fixed at the distal end but separated relative to said signal emitter, and a gap separating said center and receptor to receive fluid, the receptor being arranged to receive a signal from said emitter through fluid in said gap and such that the characteristics of the received signal vary depending on the characteristics of the fluid in the gap, wherein the signal emitter and signal receptor are arranged on a common horizontal axis, wherein the signal emitter is a visible light source, and wherein the signal receptor is a mirror aligned at approximately 45.degree. from horizontal to deflect the light signal vertically upward to provide a signal directly visible by a person.

REFERENCES:
patent: 2949777 (1960-08-01), Ferron
patent: 3551670 (1970-12-01), Topol et al.
patent: 4565088 (1986-01-01), Crambes
patent: 4673819 (1987-06-01), Rose
patent: 4848149 (1989-07-01), Fiorentino et al.
patent: 4904878 (1990-02-01), Gipp et al.

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