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Large-volume containers such as IBCs and drums present particular challenges for leak testing. Using the overpressure version of the CETATEST LV with its turbo-fill function, IBCs with a volume of approximately 1,000 liters can be tested in just 30 seconds, while the total test time for a 160-liter drum is only 10 seconds. Depending on the test volume, leaks corresponding to hole sizes from approximately 0.07 to 1 mm can be reliably detected. The Application Note also presents a solution for the separate leak testing of outlet taps on reconditioned IBCs using a compact standalone test bench and the vacuum version of the CETATEST LV.

Flexible packaging such as flow packs, doy packs, spouts and blister packaging places high demands on reliable leak detection. The solution presented combines optical inspection with leak testing, enabling both rapid detection of gross leaks using image processing and artificial intelligence and quantitative evaluation of smaller leaks. Depending on the application, hole sizes down to approximately 10 µm can be detected, while typical sealing defects can also be identified. The Application Note presents both a compact benchtop solution for laboratory and sample testing and an inline concept for automated end-of-line inspection at rates of several hundred parts per minute.