Apparatus and method for testing.

摘要

Apparatus for testing the contents of a sealed container 10 holding a liquid under the pressure of gas in a head space includes a first piercing needle 18 positioned and operable to penetrate the top of the container 10 whereby to place the head space in communication with a gas passage way 20 and a second piercing needle 56 positioned and operable to penetrate the bottom of the container 10 whereby to place the liquid in communication with a liquid passage way 58. The apparatus may be used to measure the gas pressure in the container and the dissolve oxygen content of the liquid.