Bestech Australia Micro-Epsilon Eddy Current sensors for vacuum integrity testing

Monday, 13 April, 2015 | Supplied by: Bestech Australia Pty Ltd

Micro-Epsilon Eddy Current sensors from Bestech Australia provide fully automatic, non-contacting vacuum testing for cans, jars and bottles.

After preserving jars are filled and closed they are vacuum-tested in fully automatic operation to sort out any defective containers. During transport of the jars an eddy-current sensor scans the lid shape that is generated by the vacuum in a non-contacting way. The subsequent electronic unit calculates lid bending, which directly depends on the internal pressure, with high accuracy. After comparing this value with a specified permissible value range a decision is made about the quality of the internal pressure and thus about the tightness of the preserves container.

The sensor system is waterproof with a 3 m cable and light barrier to detect cans without a lid or tilted cans. It incorporates a counter to calculate total throughput and the number of ejected glasses. The system is not affected by environmental influences such as moisture, pungent vapours, wet and sticky food and temperature fluctuations.

Phone: 03 9540 5100
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