Portable Surface Roughness Tester


Surftest SJ-210 Series

The Surftest SJ-210 is a user-friendly surface roughness measurement instrument designed as a handheld tool that can be carried with you and used on-site.  Small, lightweight, and extremely easy to use lets you view surface roughness waveforms right on the color LCD screen.  Surftest SJ-210 Product Details


Drive Unit Type 

Detector Type  4mN measuring force, 5μm stylus tip radius
Measuring Range X-axis: .69 inches (17.5mm); Z-axis 14200 μin (-7900μin ~+6300μin)/360μin /.08μin (25μm / 0.002μm) 

Resolution 14170μin /.8μin (360μm / 0.02μm), 4000μin /.2μin (100μm /0.006μm), 1000μin /.08μin (25μm / 0.002μm) 
Assessed profile

 Primary profile (P), roughness profile (R), DIN4776 [Primary profile (P), Roughness profile (R), MOTIF (R): M-type

Parameters  Rv, Rsk, Rku, Rc, RPc, RSm, Rmax, Rz1max, RzJIS, Rppi, RΔa, RΔq, Rlr, Rmr, Rδ, ς, HSC, Rpm, tp, Htp, Ra, Ry, Rz, Rq, S, Sm, Pc, R3z, mr ©, Rt, Rp, Rk, Rpk, Rvk, Mr1, Mr2, A1, A2, Vo (customizable)(R, AR, Rx: M-type) 


  • SJ-210 Surftest surface roughness tester
  • Micro-SD card
  • Precision roughness specimen
  • Carrying Case
  • Instructions

List Price $2,471

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Mitutoyo produces CMM's, measuring instruments including hardness testers and height gages, form measuring equipment, vision systems, optical comparators, small tools, integrated scales and sensors.