... of workpiece. The various measurements of angle... Model 2301A surface profile tester allows the operator to check thecontour of workpiece. ... end face,distance between point and line Horizontal magnification:2,5,10,20,50,100,200,500 Vertical ... ,200,500,1000,2000 Traversing speed:0.1,0.2,0.5,0.8,1mm/s Reverse speed ... : 1.5mm/s Linearity of guideway:1μm/40mm Vertical adjustment ...