OPTACOM VC / LC series contour topography scanning measuring instrument or precision contour roughness comprehensive measuring instrument, instrument parameters in line with ISO, DIN, JIS, EN and other standards. CNC automatic X and Z axis adopts the whole number of high precision grating ruler, matching upper and lower two-way needle, Y axis automatic workbench. At the same time, it can measure the inner and outer diameter size of rotary parts (automatic locking inflection point diameter), the internal and external contour morphology, etc. Optional rounder rotary table clip parts, which can measure the roundness, cylindrical degree and the complex geometric dimensions of different sections, suitable for laboratories or work sites in various industries