Mitutoyo SJ-412 Portable Surface Roughness Testers

Measuring range X axis: 50mm

Detection method : Differential inductance

Resolution (Range) 0.01?m (800?m) / 0.001?m (80?m) / 0.0001?m (8?m) 0.4?in (32000?in) / 0.04?in (3200?in) / 0.004?in (320?in)

Stylus tip shape (Angle / Radius) 60°/ 2?m (80?in) 90°/ 5?m (200?in) 60°/ 2?m (80?in) 90°/ 5?m (200?in)

Measuring force 0.75 mN 4 mN 0.75 mN 4 mN

Radius of skid curvature 40mm (1.57")

Measuring methods Skidless / Skidded (switchable)

Measuring speed 0.05, 0.1, 0.2, 0.5, 1.0mm/s (0.002, 0.004, 0.02, 0.04 inch/s)

Drive speed 0.5, 1, 2, 5mm/s (0.02, 0.04, 0.08, 0.2 inch/s)

Straightness 0.3?m / 25mm (12?in / 1") 0.5?m / 50mm (20?in / 2")

Applicable standards JIS 1982 / JIS 1994 / JIS 2001 / ISO 1997 /ANSI/VDA

Parameter Ra, Rq, Rz, Ry, Rp, Rv, Rt, R3z, Rsk, Rku, Rc, RPc, RSm, Rmax*1, Rz1max*2, S, HSC, RzJIS*3, Rppi, R?a, R?q, Rlr, Rmr, Rmr (c), R?c, Rk, Rpk, Rvk, Mr1, Mr2, A1, A2, Vo, ?a,?q, Lo, Rpm, tp*4, Htp*4, R, Rx, AR, W, AW, Wx, Wte Customizable

Filtered profile Primary profile, Roughness profile, DF profile, Waviness profile, Roughness motif profile, Waviness motif profile

Analysis graph Material ratio curve, Profile height amplitude distribution curve

Data compensation functions Parabola, Hyperbola, Ellipse, Circle, Tilt, No compensation

Filter 2CR, PC75, Gaussian

Cutoff value ?c 0.08, 0.25, 0.8, 2.5, 8 mm (.003, .01, .03, .1, .3") ?s*5 2.5, 8, 25?m (100, 320, 1000?in)

Sampling length 0.08, 0.25, 0.8, 2.5, 8, 25 mm (.003, .01, .03, .1, .3, 1")

Number of intervals ×1, ×2, ×3, ×4, ×5, ×6, ×7, ×8, ×9, ×10, ×11, ×12, ×13, ×14, ×15, ×16, ×17, ×18, ×19, ×20

Customization Selection of display / evaluation roughness parameter

Simplified contour analysis function Step, Step quantity, Area, Coordinate difference

DAT (Digimatic Adjustment Table) function Helps to level workpiece prior to skidless measurement

Real sampling function Inputs the displacement of the detector while stopping the drive unit

statistical processing Calculates the maximum value, minimum value, average value, standard deviation, pass rate and histogram for each parameter.

Judgment*6 Maximum value rule, 16 % rule, mean value rule, standard deviation (1?, 2?, 3?)

Storing measurement condition Max. 10 (calculation display unit)

Print function (Built-in thermal printer) Measurement condition / Calculation result / Judgment result / Calculation result per segment / Tolerance value / Evaluation curve / Graphic curve / Material ratio curve / Profile height amplitude distribution curve / Environmental setting items / Statistical result (Histogram)

Display language 16 languages (Japanese, English, German, French, Italian, Spanish, Portuguese, Korean, Chinese (simplified / traditional), Czech, Polish, Hungarian,Turkish, Swedish, Dutch)

Storage function Built-in memory: Measurement condition (Up to 10)

Memory card (optional): 500 measurement conditions, 10000 measured profiles, 500 display images, 10000 text files, 500 statistical data, 1 backup file of device setting data, 10 data of Trace 10

External I / O functions USB I / F, Digimatic output, RS-232C I / F, Foot switch I / F

Battery Charging time / Endurance Built-in battery (rechargeable Ni-MH battery) /AC adapter Charging time of the built-in battery: about 4 hours (may vary due to ambient temperature) Endurance: about 1000 measurements (differs slightly due to use conditions /environment)

Max. power consumption 50 W