With cable-free Bluetooth connection between drive and evaluation units, portable MarSurf M 300 takes surface finish measurements up to 4 m from evaluation unit. Measuring to ISO/ASME/JIS standards, it stores 40,000 measurements. User interface ensures ease of use for operators in 15 languages. Measurement cut-off length selections between 0.08 and 2.5 mm can be selected by user or automatically determined based on surface profile.