L&W Autoline Sheffield Roughness
L&W Autoline Sheffield Roughness measures surface roughness of paper or board according to the Sheffield method, which has its roots in the North American market. The module combines rapid routine testing with high precision, in accordance with established TAPPI and ISO standards.
The automatic and precise alignment of the measuring head on the top side or both sides of the paper sample ensures correct and reliable results. Both Sheffield roughness [ml/min] and Sheffield units [SU] are presented.