Serviceable absorbent for gas spectrometer interior

Details Serviceable absorbent for gas spectrometer interior Serviceable absorbent for gas spectrometer interior

1997-08-19

1999-12-14

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

25033913, G01N 2135

Patent

active

060021330

ABSTRACT:
A gas spectrometer is provided having an enhanced capability for maintaining initial calibration conditions therewithin. The gas spectrometer is particularly apt for respiratory gas analysis applications and includes a housing assembly that defines an internal containment area(s), within which a radiation source, optical assembly, sample gas assembly and radiation detection assembly are positioned. A gas removal assembly is provided for removing one or more undesired gas component types from within the internal containment area during field use. The gas removal assembly is selectively retractable from the housing assembly to permit periodic servicing (e.g., replacement of CO.sub.2 absorbent) without requiring disassembly or recalibration of the spectrometer.

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