Model 2302 surface profile tester is a fully integrated surface geometry measuring instrument which comprises the surface ... Model 2302 surface profile ... tester is a fully integrated surface geometrymeasuring instrument which comprises the surface roughness,primary profile andform ... ,Rtm,Rt,Rpm, Rvm,Sm,S,D,Sk,Rku,q,a,λq,R3y,R3z, NR1, NR2,tp (8) Graph analysis ...