This European Standard specifies the general procedure for measurement of breathing resistance of filters for respiratory protective devices and respiratory protective devices incorporating facepieces, except for diving for respiratory protective devices. The requirements and any special conditions for the apparatus, and of filter measurements are described in the relevant device standard.
BS EN 13274-3:2001 history
2001BS EN 13274-3:2001 Respiratory protective devices - Methods of test - Determination of breathing resistance