The Mitutoyo SJ-310 profilometer is an excellent value that has all the great features of the SJ-210 but with a larger display and printout capability. 

Choose your SJ-310 Profilometer

178-571-11A SJ-310 (0.75mN type) Standard drive unit type
178-571-12A SJ-310 (4mN type) Most Popular Standard drive unit type
178-573-11A SJ-310 (0.75mN type) Retractable drive unit type
178-573-12A SJ-310 (4mN type) Retractable drive unit type
178-575-11A SJ-310 (0.75mN type) Transverse drive unit type
178-575-12A SJ-310 (4mN type) Transverse drive unit type

Click Here for the SJ-310 Accessory Page

If you have need a printout of your measurement and an large LCD display, the Mitutoyo Surftest SJ-310 Series 178 Portable Surface Roughness Testers is an excellent choice! 

  • The handheld data processing unit and the 5.7-inch color graphic LCD touch-panel provide superior readability and operability. The LCD also includes a backlight for improved visibility in dark environments
  • User interface provides intuitive and easy-to-understand operability
  • Complies with: JIS (JIS-B0601-2001, JIS-B0601-1994, JIS B0601- 1982), VDA, ISO- 1997, and ANSI standards
  • Buttons are protected to provide resistance against harsh environments
  • High capacity battery allows approximately 1500 measurements when fully charged
  • Includes convenient carrying case
  • A high-speed printer is built into the main unit. Paper saving mode is supported
  • Supports 16 languages, which can be freely switched
  • 10 sets of measurement conditions can be saved in the unit, and an optional memory card can save measurement conditions and the measured profile

Drive Unit Options:

 1) Standard drive unit
Popular standard drive unit

2) Transverse tracing drive unit
Best suited for measurement of narrow, shrouded workpiece features such as crankshaft, EDM parts, etc. (Patent Registered in Japan)

3) Retractable drive unit
The detector is in the retracted position at rest so it is immune from damage when inserted into a feature whose profile cannot be easily seen, such as a blind hole, etc.

See "Downloads" Tab on this page for detailed information and accessory listings

Model No. Standard drive unit type Retractable drive unit type Transverse tracing drive unit type
SJ-310 (.75mN type) SJ-310 (4mN type) SJ-310 (.75mN type) SJ-310 (4mN type) SJ-310 (.75mN type) SJ-310 (4mN type)
inch /mm 178-571-01A 178-571-02A 178-573-01A 178-573-02A 178-575-01A 178-575-02A
range X axis
.63" (16.0mm) .22" (5.6mm)
range Z axis
360 μm (-200 μm ~ +160 μm) [14400 μinch (-7900 μinch to +6300 μinch)]
Measuring range
Z axis (Detector)
Range / Resolution
360 μm / 0.02 μm (14400 μinch / .8 μinch)
100 μm / 0.006 μm (4000 μinch / .2 μinch)
25 μm / 0.002 μm (1000 μinch / .08 μinch)
Measuring speed In the measurement: 0.25mm/s (.01inch/s), 0.5mm/s (.02inch/s), 0.75mm/s (.03inch/s), In the return: 1mm/s (.04inch/s)
Measuring force / Stylus tip 0.75mN type: 0.75mN / 2μmR 60°, 4mN type: 4mN / 5μmR 90°
Skid force Less than 400mN
Applicable standards JIS ’82 / JIS ’94 / JIS ’01 / ISO ’97 / ANSI / VDA
Assessed profiles Primary profile / Roughness profile / DF profile / Roughness profile-Motif
Parameters Ra, Rc, Ry, Rz, Rq, Rt, Rmax*1, Rp, Rv, R3z, Rsk, Rku, Rc, RPc, Rsm, Rz1max*2, S, HSC, RzJIS*3, Rppi, RΔa, RΔq, Rlr, Rmr,
Rmr(c), Rδc, Rk, Rpk, Rvk, Mr1, Mr2, A1, A2, Vo, λa, λq, L0, Rpm, tp*4, Htp*4, R, Rx, AR, W, AW, Wx, Wte, Possible Customize
Analysis graphs Bearing area curve / Amplitude distribution curve
Filters Gaussian , 2CR75 , PC75
Cut off length λc 0.08 , 0.25 , 0.8 , 2.5, 8 mm (.003, .01, .03, .1, .3 inch)
Cut off length λs 2.5 , 8 μm (100, 320 μinch)
Sampling length 0.08, 0.25 , 0.8 , 2.5, 8 mm (.003, .01, .03, .1, .3 inch)
Number of Sampling lengths (×n) ×1, ×2, ×3, ×4, ×5, ×6, ×7, ×8, ×9, ×10,
Arbitrary (0.3 ~ 16.0mm: 0.01mm Interval)
×1, ×2, ×3, ×4, ×5, ×6, ×7, ×8, ×9, ×10,
Arbitrary (0.3 ~ 5.6mm: 0.01mm Interval))
LCD dimensions 4.64 x 3.47" (117.8 × 88.2 mm)
Display languages Japanese, English, German, French, Italian, Spanish, Portuguese, Korean,
Traditional Chinese, Simplified Chinese, Czech, Polish, Hungarian, Turkish, Swedish, Dutch
Calculation result display 1-parameter display: one parameter measurement result
4-parameter display: four parameter measurement results
Profile display: one parameter measurement result and the measured profile
Trace display: The ten latest measurement results using the same parameter
Printing function Measurement conditions / Calculation results / GO / NG judgement result / Calculation results for each sampling length /
Measurement curve / BAC / ADC / Environmental setting information
External I /O USB I/F, Digimatic output, RS-232C I/F, External SW I/F
Customization Desired parameters can be selected for calculation and display
GO/ NG judgment*2 Max rule / 16% rule / Average rule / Standard deviation (1σ, 2σ, 3σ)
Storage of measurement condition Save the conditions at power OFF

Internal memory: Measurement condition (10 sets)
Memory card (option): 500 measurement conditions, 10000 measuring data, 10000 text data, 500 statistic data,
1 backup of machine setting, the last ten traces (Trace 10)

Calibration Auto-calibration with the entry of numerical value / Average calibration with multiple measurement (MAX.12 times) is available

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178-571-12A Surftest SJ-310 Mitutoyo Series 178 Portable Surface Roughness Tester

  • Brand: Mitutoyo
  • Product Code: 178-571-12A
  • Condition: New
  • Warranty: 1 Year Manufacturer’s Warranty
  • Availability: In Stock
  • $4,590.00
  • $4,131.00

Available Options

Tags: 178-571-12a, surftest, sj-310, mitutoyo, series, portable, surface, roughness, tester, profilometers, testers