High permeability rate oxygen sensor

Details High permeability rate oxygen sensor High permeability rate oxygen sensor

1994-06-15

1995-04-04

Niebling, John

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204432, G01N 2726

Patent

active

054034647

ABSTRACT:
An oxygen sensor constructed as a coulometric sensor and capable of detecting oxygen concentrations in the range of 1% or greater concentrations. The coulometric sensor utilizes a gas flow path which has a predetermined section constructed with oxygen-permeable tubing, wherein a portion of the oxygen flowing through the gas flow path will permeate into the sensor to generate an electric current flow indicative of the permeating oxygen level. The length of the tubing section which is constructed from oxygen-permeable material maybe selectively adjusted to control the relative attenuation of oxygen flow through the sensor.

REFERENCES:
patent: 3223597 (1965-12-01), Hersch
patent: 4973395 (1990-11-01), Mayer et al.
patent: 5139638 (1992-08-01), Mayer
patent: 5184392 (1993-02-01), Mayer

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