Portable Surface Roughness Tester with Onboard Display Features Large Screen Display Unique Stylus Lift Mechanism For Total Flexibility Many Application Specific Parameter Options Comprehensive Selection Optional Accessories And Pickups Long Traverse Length And Extended Pickup Reach Stores Of Up To 100 Readings Measuring Range 200 micrometers Profile Ra Rz Rt Rp Rmr Rpc Rsm Rz1max Rsk Rda Analysis Graph Profile Graph Cut Off Length (In.) 0.01 in 0.031 in 0.098 in