ACRN - Machines de contrôle qualité

http://www.acrn.fr/en/our-products/the-seal-testing/the-vacuum-chambers/article/cte-i-box

CTE-I Box

Unlike other CTE vacuum chamber, the CTE-I carries out an immersion sealing test, placing in a vacuum enables leaks to be detected due to the production of bubbles for samples such as blisters, pockets or containers.