... ,Linearity of guideway 1μm/100mm 6,Vertical motorized adjustment of traverse unit ballscrew system,auto electrical positioning of ... pick-up 7, Vertical height adjustment 260mm8,Measuring stand granite base 460mm×620mm 9, ... straightness,roundness,etc. 6)Profile magnification:max.10000,continuous amplify 7) Pick-up arm length 230mm 8) Stylus length 22mm ...