Method and apparatus for monitoring gas concentration in a...

Details Method and apparatus for monitoring gas concentration in a... Method and apparatus for monitoring gas concentration in a...

2008-05-05

2011-12-20

Nguyen, Tu (Department: 2886)

Optics: measuring and testing

For light transmission or absorption

Of fluent material

Reexamination Certificate

active

08081313

ABSTRACT:
A monitor for monitoring gas concentration in an aerospace application is described, one such application being measuring the concentration of oxygen in or next to aviation fuel. The monitor comprises: a substance, the spectroscopic properties of which change when the substance is exposed to the gas; a light source, arranged to irradiate the substance with light; and a photosensor, arranged to detect light from the substance. The substance may be mounted on a solid substrate.

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