Oxygen concentration measuring device

Details Oxygen concentration measuring device Oxygen concentration measuring device

1987-08-24

1989-10-24

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204425, 204426, 204427, 204428, G01N 2746

Patent

active

048759902

ABSTRACT:
An oxygen concentration measuring device having a very small size detecting portion formed of unitary lamination of plate shaped members of an oxygen sensing element, a heater member and/or a temperature detecting member. The element comprises an oxygen concentration cell and a temperature compensation means for compensating a setting voltage to which an EMF generated by the concentration cell is compared. The detecting portion is provided with a printed contact terminal and housed in a probe equipped with a protecting tube. The printed contact terminal of the detecting portion is arranged to mate with a connecting element housed in a funnel-shaped contact member so as to allow easy mounting and detaching.

REFERENCES:
patent: 3546086 (1970-12-01), Sayles
patent: 3598711 (1971-08-01), Flais
patent: 3720594 (1973-03-01), Wilson
patent: 4088543 (1978-05-01), Ruka
patent: 4098650 (1978-07-01), Sayles
patent: 4115235 (1978-09-01), Capone
patent: 4283261 (1981-08-01), Maurer et al.
patent: 4339318 (1982-07-01), Tanaka et al.
patent: 4462246 (1984-07-01), Advani et al.
patent: 4462891 (1984-07-01), Lawless
patent: 4559126 (1985-12-01), Mase et al.
patent: 4668375 (1987-05-01), Kato et al.

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