Leak Tester is designed for the examination of airproof property of packages, containers, bags,pipes. Leak tester is widely used in food, beverage, pharmaceutical, daily chemical, electrical and electronic industries, etc.
Leak Tester complies with ASTM D3078 “Test Method for Determination of Leaks in Flexible Packag-ing by Bubble Emission”
A test sample is placed into a vacuum chamber with water and the air above water is evacuated by a venturi tube.
A pressure difference is created inside and outside the sample and leakage can be observed and identified when the sample is inflated and a stream of bubbles appeared.
Methylene blue test
The blister is in chamber with solution (Methylene Blue)
Vent the chamber and hold the vacuum for a while
Stop the vacuum and hold blister in normal pressure. The dye will enter the blister if there is leak.
LT-03 Leak Tester uses vacuum ejector to generate stable vacuum environment. The state-of-the-art human-computer interface and PLC control unit on the leak tester make the parameter setting and test operation direct and easy.
Leak test process all automatic
Touching screen operation
Digital vacuum degree and test time input
Parameters and test data automatic saving
Automatic vacuum maintenance and air reverse
Different chamber sizes available
No vacuum pump required
Technical Data
Vacuum : 0 ~ -90KPa / 0 ~ -13PSI
Testing Space : Φ 270mm x 210 mm (H) (Customization available) Gas source: Compressed air
Gas Pressure : 0.7MPa/101.5PSI
Leak Tester (Vacuum Method)
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