Calibrator

Calibrator

The principle of the Perm-Calibrator is permeation which is also used for our permeation tubes. Permeation (lat.: permeare = percolate, penetrate) describes the process of penetration of a substance through a solid material, driven by the force of a chemical potential gradient like a pressure or a concentration difference. Without any external influence the substance which permeates, moves always into the direction of the lower concentration. By using a tube made from any polymer like PP, PTFE, PE, filled with a liquid or gaseous substance the wall of the tube acts as the solid material, the membrane, which is penetrated. Since one can imagine this as a penetration molecule by molecule, the process is very stable, reproducible and can be controlled with an extremely high precision just by varying a small amount of parameters. This principle is used for setting up the calibrator to the usage of the customer on site.

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4250 DD WERKENDAM – NL

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