Conductivity meter

Details Conductivity meter Conductivity meter

1992-12-28

1995-08-15

Cohen, Lee S.

Surgery

Truss

Pad

324446, A61B 500, G01N 2702

Patent

active

054410495

ABSTRACT:
A conductivity meter includes a cell having a passageway through which dialysate flows during measurement. A constriction in the passageway meters the flow and partially defines the cell constant. To measure conductivity, an alternating current is applied to the dialysate through cylindrical electrodes in the passageway on each side of the constriction. A thermistor adjacent one of the electrodes is used to measure the temperature of the dialysate. A housing for the cell includes an elongated handle and an enlarged portion, containing the cell, extending to one side of the handle. The handle contains a printed circuit board having circuitry for making the measurement and the enlarged portion includes a window for display of the measurement.

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patent: 5176144 (1993-01-01), Yoshikoshi et al.
patent: 5194814 (1993-03-01), D'Couto

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