Extracting and testing gas samples from packages

An apparatus and method for extracting and measuring a gas sample from a package. The apparatus includes a hollow needle for puncturing the package, a suction pump for withdrawing a gas sample, and an intermediate sensor and valve to receive and direct gas flow through the system. The method include...

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Bibliographic Details
Main Author WILLIAM NORMAN MAYER
Format Patent
LanguageEnglish
Published 27.10.1993
Edition5
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:An apparatus and method for extracting and measuring a gas sample from a package. The apparatus includes a hollow needle for puncturing the package, a suction pump for withdrawing a gas sample, and an intermediate sensor and valve to receive and direct gas flow through the system. The method includes puncturing the package, activating the suction pump for a predetermined time, equalizing the pressure drop across the sensor, and measuring the gas oxygen content.
Bibliography:Application Number: GB19930003372