Mitutoyo Surftest Surface Roughness Tester, Imperial/Metric Portable Transverse Tracing Drive, Series: 178, 0.22 in Measuring, Ra, Rc, Ry, Rz, Rq, Rt, Rmax, Rp, Rv, R3z, Rsk, Rku, Rc, RPc, Rsm, Rz1max, S, HSC, RzJIS, Rppi, Ra, Rq, Rlr, Rmr, Rmr(c), Rc, Rk, Rpk, Rvk, Mr1, Mr2, A1, A2, Vo, a, q, L0, Rpm, tp, Htp, R, Rx, AR, W, AW, Wx, Wte and Possible Customize Roughness Parameter, 0.003 in, 0.01 in, 0.03 in, 0.1 in, 0.3 in Cut Off Length, 0.0118 to 0.22 in (0.0001 in Interval), 0.3 to 5.6 mm (0.01 mm Interval) Arbitrary Length, 0.003 in, 0.01 in, 0.03 in, 0.1 in, 0.3 in Sampling Length, 0.01 in/s, 0.02 in/s, 0.03 in/s in/0.25 mm/s, 0.5 mm/s, 0.75 mm/s Measurement, 0.04 in/s/1 mm/s in Return Measuring Speed, 5.7 in LCD Display, AC Adapter/NiMH Rechargeable Battery Power Source, 275 mm L x 198 mm W x 109 mm H Dimensions