Mahr : MarSurf SD 140 Art. no. 6269351 Roughness and contour measurement with 140 mm tracing length and motorized TY axis. The MarSurf SD 140 BG 12 offers an economical solution for high-precision surface measurements. It enables the simultaneous acquisition of roughness and contour features in just one measuring stroke - saving time and money. Equipped with a newly developed probe system, it delivers reliable results using the stylus method. Thanks to a wide range of probe arms, it can be used