Method and apparatus for detecting insufficient liquid levels

Details Method and apparatus for detecting insufficient liquid levels Method and apparatus for detecting insufficient liquid levels

1982-02-22

1983-12-13

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Capture device

250573, 250574, 422 82, G01N 3508

Patent

active

044199031

ABSTRACT:
A method and apparatus for determining an insufficient liquid volume. The invention includes an electromagnetic sensing device in a conduit into which the sample liquid is mixed. The electromagnetic sensing device detects the presence of air in the conduit which indicates that an insufficient liquid volume has been aspirated.

REFERENCES:
patent: 3422667 (1969-01-01), Hrdina
patent: 3600953 (1971-08-01), Isreeli et al.
patent: 3636360 (1972-01-01), Oishi
patent: 3812482 (1974-05-01), Clark
patent: 3908129 (1975-09-01), Akers
patent: 4002269 (1977-01-01), Negersmith

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