Low pressure refrigerant contaminant tester

Details Low pressure refrigerant contaminant tester Low pressure refrigerant contaminant tester

G - Physics

01

N

73/104

G01N 1/28 (2006.01) G01N 33/00 (2006.01)

Patent

CA 1326140

Invention: LOW PRESSURE REFRIGERANT CONTAMINANT TESTER Inventor: NANCY MARIE OTTO Abstract of the Disclosure A low pressure refrigerant specimen is metered from a refrigeration system as a two phase mixture containing both a liquid phase and a gas phase. The mixture is sealed in an inflatable bag and the liquid phase is permitted to become a gas at atmospheric pressure whereby any contaminants in the sample are uniformly distributed throughout the sample. A small representative sample of the gas is drawn from the bag by a pump and the sample passed through a contaminant tester tube which provides a visual indication of the amount of one or more selected contaminants contained in the representative sample.

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