Surface Roughness Tester 3221

3221 Surface Roughness Tester is a high cost-effective surface measurement device. Separated driver makes it easier and more flexible to approach different surfaces. Touch screen. Measuring range reaches 400μm to test curved surface.   Features ● Separated design, mini driver easy and convenient to use ● Multi-parameter measuring: Ra、Rp、Rv、Rt、Rz、Rq、Rsk、R△q、R△a、Rku、Rc、RPc、RSm、Rmr(c)、tp、Rmr、Rpm、Rz1max、RzJIS、Rmax、Htp、Rδc、Pa、Pp、Pv、Pt、Pz、Pq、Psk、Pku、Pc、PSm、Pmr(c)、Pmr、Pz1max、PzJIS、Pδc、P△q、Rk、Rpk、Rvk、Mr1、Mr2、A1、A2 ● Touch screen with 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 TIME TA230 printer to print all parameters and graphs ● RS232 interface and USB interface meeting more needs ● Auto switch off    Specifications Test principle Inductance type Measurement range 400μm Stylus tip radius 5μm/2μm Stylus tip material Diamond Measuring force 4mN/0.75 mN Stylus tip angle 90º/60º Radius of skid curvature 45mm Maximum drive range 19mm/0.748inch 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 = 0.8 mm   Vt=0.5 mm/s Cut off length = 2.5mm     Vt=1mm/s Returning   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 Resolution Automatic 0.001μm,0.008μm ±50μm 0.001μm ±200μm 0.008μm Power Built-in Li battery Power adapter Input: 100 V~240VAC,50/60Hz Output: 9V,3A Working environment Temperature: 0℃~40℃ Humidity: < 90% RH Dimensions (mm) 155.4×75×53 Weight (g) 580 Standard Delivery 　 Main unit   1 Standard pickup   1 Standard sample  1 Power adapter 1 Communication cable   1 Protection sleeve 1 Adapter 1 Magnetic base 1 TIME certificate   1 Warranty card   1 Instruction manual   1