Portable Surface Roughness Tester with Onboard Display Features Each Parameter Can Be Activated Individually Or Not Possible Tolerancing Of Parameters Values Storage Of The Measured Parameters Direct Printing To A Dot Matrix Printer Measuring Range 400 micron m/0.0157 in 16 mm/0.63 in Analysis Graph BAC ADC Profile-R Cut Off Length (In.) .01/.03/.10 Number of Sampling Spans 2 Arbitrary Length (In.) 4.8 Dimensions (In.) 4.8 x 2.36 x 2.44