This Offline Vacuum Leak Test Unit for Sealed and Filled Packages is used for leak property of package under vacuum condition.
Firstly submerge the specimen in the water within the vacuum chamber, and then evacuate the vacuum chamber to form differential pressure between the inside and outside of specimen. The leakage property could be obtained by observing the steady progression of bubbles from the specimen and how the specimen expands and restores to its original shape after vacuum release.
This test method is per ASTM D3078 -- - Standard Test Method for Determination of Leaks in Flexible Packaging by Bubble Emission
Vacuum Degree: 0 ~ -90 KPa
Accuracy: 1% FS'
Chamber Size: customization available per package size