TESTING: Tester Improves Accuracy Of Package Headspace Oxygen Readings

Mocon's first-of-a-kind instrument is aimed at helping brand owners optimize material attributes and improve economics, while meeting shelf life objectives.

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What is said to be a fist-of-its-kind instrument is designed to improve the accuracy of a package’s headspace oxygen readings, and was developed for food, pharmaceutical and medical device markets. Internal package pressure directly impacts the accuracy of the oxygen reading, and this technology is aimed at helping brand owners optimize material attributes and improve economics, while meeting shelf life and other performance objectives.

Newly available from Mocon, Inc., Minneapolis, OpTech-O2 Model P test system uses a patent-pending Pressure Needle and an optical sensor that “fluoresces” or gives off light directly related to the amount of oxygen present in the package headspace to automatically measure internal package pressure and calculate the correct oxygen readings. The ability of the instrument to automatically compensate for the internal pressure when measuring headspace gas is particularly important for small packages, such as blister packs. This is because a variety of actions, such as the force required to insert the needle, can impact the internal pressure. This capability also benefits any package size with unknown internal conditions says Mocon.