Automatically detect the air permeability of various fabrics, paper, and film-level leathers, in compliance with standards ASTM D737, ISO9237, ISO7231, BS5636, JIS L1096A,
DIN53887, EDANA 140.1, APNOR G07-111, TAPPI T251, GB/T 5453, GB/T12764.
Measurement units mm/s, cfm, cm2/cm2/s, l/m2/s, l/dm2/min, m3/m2/min., m3/m2/h and dm3/s.
Test pressure 10-2500Pa Test thickness 0-10mm