Refrigerant gas contamination detector kit

Details Refrigerant gas contamination detector kit Refrigerant gas contamination detector kit

1994-03-25

1995-05-30

Chilcot, Jr., Richard E.

Measuring and testing

Gas analysis

Gas chromatography

62127, 73 2901, G01N 300

Patent

active

054191777

ABSTRACT:
A method for determining the amount of a contaminant in a refrigerant gas under pressure and the detector tube and tube holding assembly. The method involves preparing a predetermined length of refrigerant hose and connecting a pressure gauge to an exit end of the hose. The entrance to the hose is connected to a sealed detector tube which is held in a fitting which connects to conventional refrigerant hose. This fitting is connected at its other end to a source of refrigerant gas under pressure to be tested. The gas is allowed to pass through the detector tube into the known length of empty tube until the pressure gauge reaches a predetermined value depending upon the refrigerant gas to be tested. This causes a known volume of gas to pass through the detector tube and the detector tube changes color and the distance that the color change has taken place is a measure of the contaminant. Different detector tubes are used for different contaminants.

REFERENCES:
patent: 4803843 (1989-02-01), Otto
patent: 4866994 (1989-09-01), Baker
patent: 5071768 (1991-12-01), Klodowski
patent: 5345774 (1994-09-01), Mount

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