Chemical agent detection

Details Chemical agent detection Chemical agent detection

2011-05-10

2011-05-10

Bullock, In Suk (Department: 1772)

Data processing: measuring, calibrating, or testing

Calibration or correction system

Zeroing

C073S023200, C073S023210, C073S023230, C073S023340, C422S083000, C422S095000, C702S085000, C702S088000, C702S104000

Reexamination Certificate

active

07941288

ABSTRACT:
A chemical agent detector with a a lesser demand sensor, a greater demand sensor, an inlet; and a manifold; and methods associated therewith. The manifold is positioned between the inlet and the sensors, and includes a first intake associated with the lesser demand sensor, a second intake associated with a greater demand sensor, and at least one restrictor. The first intake is placed closer to the inlet than the second intake, and the second intake is isolated from the inlet by at least one restrictor within the manifold. The intakes and restrictor are sized and positioned such that the ratio between: the conductance of the path from the inlet to the greater demand sensor to the conductance of the path between the sensors effectively isolates the lesser demand sensor from the effects of the greater demand sensor.

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