Fabric Air Permeability Tester is a high precision sensor with dynamic measurement. Features with microcomputer processing, test results directly and without manual calculation. Its measurable permeability ranges from 1 to 40000 mm/s and offers 1 to 4000 Pa Sample pressure range. Equipped with English LCD menu operation and PC connect interface. It offers in built continuous measuring mode and ISO9237, ISO7231, ISO5636 standards.