Sample holder, measuring device and procedure

Abstract

The invention relates to a sample holder for measuring the air permeability of a sample material (10), in particular paper and / or plastic, wherein the sample holder (4) comprises a frame (8), a first grid (6) and a second grid (7), the second grid (7) having webs (11) arranged within the frame (8), and the second grid (7) being arranged on the first grid (6). The invention further relates to a measuring device and a measuring method.