Oxygen analyzer

Details Oxygen analyzer Oxygen analyzer

1987-10-13

1989-08-15

Kaplan, G. L.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

G01N 2758

Patent

active

048571644

ABSTRACT:
An oxygen analyzer using an oxygen sensor by which the oxygen concentration of a measuring gas can be detected. The oxygen sensor includes an oxygen pump and an oxygen concentration cell. The detecting principle is to vary the reference voltage to be compared with an output electromotive force of the oxygen concentration cell by using a predetermined relationship between the electromotive force and the pumping current, thus eliminating the need of using a reference air of which oxygen concentration is compared as a reference.

REFERENCES:
patent: 4601809 (1986-07-01), Kitahara
patent: 4622126 (1986-11-01), Shimomura
patent: 4706637 (1987-11-01), Asakura et al.
patent: 4707241 (1987-11-01), Nakagawa et al.

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