Labnic Fabric Air Permeability Tester provides quick and accurate measurements for flat materials. It offers full automation, a range of 0 to 200 Pa per cm2, and a 0 to 2 KPa pressure difference. With less than 1 percent linear error, it operates on AC110 to 240V power and supports airflow from 8 L per min to 100 L per min with an accuracy of 0.01 Pa per cm2 and 0.1 mm per s.