Apparatus for measuring the content of foreign substances in a g

Details Apparatus for measuring the content of foreign substances in a g Apparatus for measuring the content of foreign substances in a g

1995-12-18

1998-03-24

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

422 681, 422 8202, 422 83, 422 95, 422 96, 422 98, 204408, 204409, 204424, 73 3103, 73 6143, 73 6171, 7386341, 7386351, 7386358, 7386361, 7386371, 7386384, 7386481, 374147, 374148, G01M 2700

Patent

active

057309426

ABSTRACT:
A system for measuring the content of foreign substances in a gas stream, for example oil in a stream of compressed air. The system includes at least one probe for collecting a given amount of gas. In the probe there is at least one sensor over which the sampled gas is passed. For optimum evaluation and for signaling certain states of operation, the sensor includes a temperature sensor for determining the temperature of the gas sample flowing past it, and a detector whose electrical resistivity or conductivity depends on the nature and density of the foreign substances in the gas. The output signal of the detector corresponds to the concentration of foreign substance in the gas stream, and is processed in an electronic evaluation unit.

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Abstract of Published Japanese Patent Application No. JP 01-127,944. May 19, 1989.

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