Sealed replaceable sensor

Details Sealed replaceable sensor Sealed replaceable sensor

1997-04-25

2000-02-22

Ludlow, Jan

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing gas sample

73 3102, 73 3105, 204403, 204431, 340628, 340632, 422 83, 429 96, G01N 2700

Patent

active

060276932

ABSTRACT:
A gas detector having a sealed sensor assembly is only exposed to the ambient atmosphere when the detector is to be placed in the service. The detector is placed in the service by removing an elongated planar adhesive backed sealing member. The gas sensor also incorporates a replaceable biomemetic sensing material which is carried within a housing within the detector. The housing contains an internal region wherein the gas sensing material is located. The internal region is sealed where the housing is attached to a printed circuit board on one hand and by the removable sealing planar member on the other hand so as to protect the gas sensitive material from contamination or exposure to the atmosphere until the unit is placed into service.

REFERENCES:
patent: 4238679 (1980-12-01), Macmillan et al.
patent: 4525704 (1985-06-01), Campbell et al.
patent: 4540980 (1985-09-01), Porco
patent: 4608556 (1986-08-01), Cole
patent: 5063164 (1991-11-01), Goldstein
patent: 5280273 (1994-01-01), Goldstein
patent: 5420440 (1995-05-01), Ketler et al.
patent: 5661244 (1997-08-01), Nishimura et al.
patent: 5694932 (1997-12-01), Michel
patent: 5793295 (1998-08-01), Goldstein

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