Measuring apparatus for the quantitative determination of a comp

Details Measuring apparatus for the quantitative determination of a comp Measuring apparatus for the quantitative determination of a comp

1980-08-18

1982-11-30

Swisher, S. Clement

Measuring and testing

Gas analysis

Gas chromatography

7386321, 7386381, 7386454, 422 88, 374142, G01N 702

Patent

active

043610277

ABSTRACT:
An improvement in a measuring apparatus for the quantitative determination of a component of a gas sample. The apparatus takes a charge of a predetermined volume of the gas mixture into a metering pump which then pushes it through the absorption unit which adsorbs or absorbs a component of the gas. A probe is used for the intake of the gas and the probe has in the region of its intake opening a thermocouple. In addition, from the cable leading from the thermocouple a reference sensing device such as a second thermocouple is placed in differential connection. A single converter is used for indication of the temperature value and a microcomputer may be used to substantially automate the process.

REFERENCES:
patent: 3643508 (1972-02-01), Schneider
patent: 3888123 (1975-06-01), Kuntzinger

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