Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Patent
1982-01-05
1984-07-10
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
128719, 12820422, 422 88, G01N 3106, G01N 3122
Patent
active
044592663
ABSTRACT:
A system for detecting specific contaminants in a gas such as compressed air and automatically indicating the degree of detected contamination. The system is selectively operable in either a PURGE mode or a TEST mode. During the PURGE mode, air flow rate is adjusted to a selected level by reference to a flow indicator. The system includes automatic timing control, operable in the TEST mode, to cause an air sample of prescribed volume to flow through a detection chamber. The system uses commercially available detector tubes which are specific to the particular contaminant suspected and which provide a positive indication of the degree of detected contamination for the volume of air in the sample. The system performs automatically in response to the operation of selected switches in a prescribed sequence, without any need for instrument calibration, thus permitting its use by virtually anyone inclined to use it. It is light and thereby portable, thus permitting it to be used in almost any location or under any conditions where compressed air for respiratory use is provided.
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patent: 4324146 (1982-04-01), Born
Bissell Henry M.
Marcus Michael S.
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