Apparatus and methods for analyzing fluids

Details Apparatus and methods for analyzing fluids Apparatus and methods for analyzing fluids

1986-06-10

1990-01-30

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

7386424, 324663, 422 63, B01L 302, G01N 3506

Patent

active

048972444

ABSTRACT:
Apparatus and methods for analyzing fluid such as blood serum. A probe used for transferring some of the fluid to a testing station causes a change in circuit capacitance when the probe contacts the fluid. This change in capacitance causes production of a control signal which effects cessation of the descent of the probe into the fluid.

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patent: 4066412 (1978-01-01), Johnson et al.
patent: 4198483 (1980-04-01), Sogi et al.
patent: 4326851 (1982-04-01), Bello et al.
Elector, vol. 4, No. 7-8, 1978, pp. 7-24,
Elector, Jul./Aug. 1980, pp. 7-22.

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