The Problem
Perforations in products can be detected using high voltage to create a spark through the perforation. Common application is testing the injection point of injection moulded products e.g. yoghurt cups, bottles and containers.
The Solution
A special electrode can be placed under the product. Inside the product a ground electrode is placed opposite to the injection point. Even very small perforations can be detected that cannot be detected by vacuum or pressure systems.
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