Detailed Product Description Model 2302 surface profile tester is a fully ... unit:ballscrew system,auto electrical positioning of pick-up; 7 Vertical height adjustment: Roughness unit: 300mm From unit: ... magnification:2,5,10,20,50,100,200,500; 7) Vertical magnification:10,20,50,100,200,500,1000 ... ) Filter type: ISO, phase corrected, un-filtered, Gaussian (7) Surface parameter: Ra,Ry,Rp,Rv,Rz,Rq,Rtm,Rt ...