... a multi-application measuring instrument for component surface quality evaluation. Model 2205A surface roughness tester is a multi-applicationmeasuring instrument ... :ISO,phase corrected, un-filtered,un-filtered,Gaussian; Surface parameter:Ra,Rc,Rp,Rv,Rz,Rq,Rsm,Rt,Rsk ... 2μm radius; Vertical column adjustment for traverse unit:manual adjustment Vertical adjusting height:310mm; Measuring stand:granite base ...