Surface roughness SJ-301 | mitutoyo SJ-301 Roughness Tester Mitutoyo SJ-301 Roughness Tester frequency characteristics of the touch, easy operation. Built-in printer and rechargeable batteries. JIS, DIN, ISO, ANSI compatible 36 evaluation parameters and 3 analysis graphs probes travel up to 350mm. With statistical data processing. SURFPAK-SJ software with PC connection port (optional). Energy saving automatic sleep function. From the large LCD on the frequency of measurements and contour readings. Mitutoyo SJ-301 Roughness Tester Technical Specification: Model No. SJ-201SJ-301 100V AC178-950K/178-948K178-953K/178-952K120V AC178-950A/178-948A178-953A/178-952A230V AC178- 950D/178-948D178-953D/178-952D240V AC178-950E/178-948E178-953E/178-952E shift range 12.5mm (5 ') measuring range 300μm (± 150μm) [12000μinch (± 6000μinch)] drive / detection elements detector :178-390 / 178-395 probe: diamond measuring force: 4mN/0.75mN detection methods: micro-sensor assessment profile P, RP, R, DIN4776 profile, Motif estimated parameters Ra, Ry, Rz, Rt, Rp, Rq, Sm, S, Pc, P3z, mrRa, Ry, Rz, Rt, Rp, Rq, Sm, S, Pc, P3z, mr, Rpk, Rvk, Rk, Mr1, Mr2, Lo, R, AR, Rx, A1, A2 digital filter 2CR-75%, 2CR-75% PC, Gaussian-50% at the wavelength λC0.25, 0.8,2.5 mm0.25, 0.8,2.5,8 mmλS2.5, 8μm2.5, 8,25 μm sample length (L) 0.25,0.8,2.5 mm0.25, 0.8,2.5,8 mm Display LCDLCD (touch panel) thermal printer ---- ---- Automatic vertical linear magnification (50X-100, 000X) level - - Auto (1X-1, 000X) data output through the RS232C interface, / SPC output power through the AC adapter / battery (rechargeable) Dimensions 62 × 156.5 × 52mm307 × 165 × 94mm Weight 0.48kg1.39kg