This is a superior multifunction indicator
users can choose from a wide range of special hydraulic impactors for special measuring tasks
The advanced construction of the plunger guidance assembly makes it very resistant to external shocks and vibrations
Heat Treated above 48 Rockwell "c"
Easy-reading sharp black lines and figures against Starrett satin chrome finish background
Advanced Roughness tester ART110 Verdict This is a superior multifunctionApplicationMeasure roughness of materials Measurement parametersRa, Rz, Rq, Rt Measurement range(m)Ra, Rq: 0. 05 ~ 10. 0; Rz, Rt: 0. 1 ~ 60 Sampling length(mm)0. 25 , 0. 80 , 2. 5 Evaluation length(mm)1. 25 , 4. 0 , 5. 0 Stroke length(mm)6 resolution ratio0. 001m