DS EN 13274-1:2001
DS EN 13274-1:2001 Respiratory Protective Devices - Methods Of Test - Part 1: Determination Of Inward Leakage And Total Inward Leakage Defines the general procedure for determining: a) the inward leakage of facepieces; b) inward leakage of respiratory protective devices (RPD), which is the total inward leakage excluding any filter pe