Fix the roughness tester on the measuring platform, can make the object and the roughness tester more stable, and can improve the accuracy of measuring.
l Wire rod, platform set V groove, used to measure the shape of smaller artefacts, can improve the accuracy of measurement
l Granite platform flatness：00 level／Plane tolerance values 3um
l Granite platform size：400×250×70
l Vertical height：300±1mm
l Lifting hysteresis error：≤ hand wheel rotation 1/6 ring