... is a multi-application measuring instrument for component surface quality evaluation. Model 2205A surface roughness tester is a multi-applicationmeasuring instrument for ... ; Filter type:ISO,phase corrected, un-filtered,un-filtered,Gaussian; Surface parameter:Ra,Rc,Rp,Rv,Rz,Rq,Rsm,Rt,Rsk ... traverse unit:manual adjustment Vertical adjusting height:310mm; Measuring stand:granite base 400mm× 600mm