The Simple dealing with of the roughness tester in addition to the large repetitive accuracy characterizes this gadget. Following touching the button the piezoelectric micro probe of the roughness tester scans the surface in seconds and shows digitally, based on the preselected Slice-off size, possibly the value Ra, Rz, Rq https://knoxbtmdt.techionblog.com/32449552/about-surface-roughness-measuring-instrument