The simple handling of the roughness tester along with the higher repetitive accuracy characterizes this gadget. Following touching the button the piezoelectric micro probe of the roughness tester scans the surface inside seconds and shows digitally, according to the preselected Slash-off length, possibly the value Ra, Rz, Rq or Rt. https://cbpsdirectory.com/listings581625/5-simple-statements-about-roughness-measurement-equipment-explained