Air Permeability Tester

• DENSOMETER (GURLEY TYPE) For measuring porosity, air permeability or air resistance of paper and paper products by determining the time necessary for a certain volume of air flow through the inserted sample, under a uniform pressure. Options : Digital self starting timer

• SMOOTHNESS, POROSITY & SOFTNESS TESTER (GURLEY TYPE) For testing the average smoothness, porosity and softness of paper and films by determining the time necessary for a certain volume of air to flow through the inserted sample, under a uniform pressure.

• HIGH PRESSURE POROSITY & SOFTNESS TESTER (GURLEY TYPE) For measuring the high pressure porosity & softness of paper and films by determining the time necessary for a certain volume of air through the inserted sample, under a uniform pressure.

Optional :

• ELECTRONIC SELF STARTING TIMER : As an optional accessory, for automatic measuring of either 25, 50, 100, 150, 200 or 300 cm3 air to pass through the test specimen. The timer starts automatically when the zero slit of the graduated ruler pass an optional read fork and stops automatically as soon as the predetermined volume of air has been passed through the sample.