Sampling device for a gas analyzer

Details Sampling device for a gas analyzer Sampling device for a gas analyzer

1986-01-27

1988-07-05

Richman, Barry S.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

422 83, 7386371, 7386372, 7386373, 7386483, G01N 122, G01N 2176, G01N 2185, G01N 2762

Patent

active

047553570

ABSTRACT:
A sampling device for use with a gas analyzer, has an inlet, a changeover valve connected to the inlet, two branch passages having upstream ends connected in parallel to the changeover valve for having gas to be analyzed directed through one or the other thereof from the inlet depending on the position of the changeover valve, a further changeover valve connected to the downstream ends of the branch passages for opening the downstream ends of the respective ones of the passages when gas to be analyzed is being directed into the respective branch passages, and a capillary for each of the branch passages, each capillary having an upstream end connected to the corresponding branch passage and having the downstream end adapted to be connected to a detector for detecting components of the gas being analyzed.

REFERENCES:
patent: 4676897 (1987-06-01), Kuze et al.

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