Industrial Purpose Compact Permeometer measures the porosity or air-permeability of materials where air flow is an important characteristic relative to their use and these materials might be non-woven or woven textiles, filter and cloth felts, some types of blotting, saturating and absorbent bag papers as well as meshes. The Permeometer is used in textile and general manufacturing industries. The Permeometer has a unit of measurement which is cubic feet of air per minute per square foot at 0.5 inches of water pressure drop. Industrial Purpose Compact Permeometer ensures optimum functionality for longer period of time.