" Features Separated design, mini driver easy and convenient to use. Multi measurement parameters: Ra, Rp, Rv, Rt, Rz, Rq, Rsk, Rku, Rc, RPc, RSm, Rmr(c), tp, Rmr, Rpm, Rz1max, RzjIS, Rmax, Htp, Rc, Rq, Ra, Pa, Pp, Pv, Pt, Pz, Pq, Psk, Pku, Pc, PSm, Pmr(c), Pmr, Pz1max, PzjIS, Pc, Pq, Rk, Rpk, Rvk, Mr1, Mr2, A1, A2 Touch screenwith TFT LCD showing all important parameters and graphs High accuracy inductive pickup Filtering methods of 2RC, GAUSS Compatible with standards of ISO1997, AnSI and jIS2001 Connected to the printer to print all parameters and graphs RS232 interface and USB interface meeting more needs Auto switch off Technical Specification : Test principle Inductance type : Inductance type Measurement range : 400 pm Stylus tip radius : 5 pm /2 pm Stylus tip material : Diamond Measuring force : 4 mN / 0.75 mN Stylus tip angle : 90 / 60 Radius of skd curvature : 45 mm Maximum drive range : 19 mm/ 0.748 inch Traversing speed - Measuring : Cut off length 0.08 mm Vt 0.25 mm/s Cut off length 0.25 mm Vt 0.25mm/s Cut off length 0.80 mm Vt 0.5 mm/s Cut off length 2.50 mm Vt 1mm/s Returning V v 1mm s Accuracy : Less than or equal to 10 Repeatability : 6 Cut-off length : 0.08mm,0.25mm,0.8mm,2.5mm, selectable Evaluation length : (1 - 5 )L selectable Measuring rang and resolution - Measuring range : Automatic - Resolution : 0.001pm,0.008pm - Measuring range : 50 pm - Resolution : 0.001 m - Measuring range : 200pm - Resolution : 0.008pm Power Built-in Li battery : Built-in Li battery Power adapter Input : 100 V - 240VAC, 50/60Hz Output : 9V, 3A Working temperature : 0 C - 40 C Humidity : 90 RH Dimensions (mm) : 155.4 x 75 x 53 Weight (g) : 580"