Permeations Testers

GDP-C - Gas Permeability Tester

The GDP-C is designed for testing the permeability of dry gases on films and similar materials according to the manometric principle. The sample is put between the top and bottom part of the permeation cell.

[more]

WDDG - Water Vapour Permeability Testers

The sample is put between the top and bottom part of the permeation cell. A constant water-vapour pressure (RH) is adjusted in the upper part of the permeation cell using saturated saline or defined sulphuric acid solutions.

[more]