... workpiece. The various measurements of angle... Model 2301A surface profile tester allows the operator to check thecontour of workpiece. The various ... /4mm,1.25μm/20mm Horizontal resolution:1μm Measuring parameter:vertical/horizontal distance,included angle,arc radius,chamfer width,distance ... circle and X/Y end face,distance between point and line Horizontal magnification:2,5,10,20,50,100,200,500 ...