Mitutoyo Portable Surface Roughness Tester The SJ-210 is Mitutoyo's most popular Surface Roughness Tester. This is a small, lightweight, and extremely easy to use surface roughness measurement instrument that lets you view surface roughness waveforms right on the color LCD screen. This portable unit makes for easy measurement anywhere necessary. The detector/drive unit can be detached from the display unit for effortless measurement of awkwardly oriented workpieces. Roughness parameters are compatible with ISO, DIN, ANSI, & JIS. 19 analysis parameters are provided, including the basic Ra, Rq, Rz & Ry parameters. The Color LCD screen displays tolerance judgments, evaluation curves and all data can be displayed in one of 16 languages. The SJ-210 is able to store data to a micro-SD card, supporting high-volume portable data storage - up to 10,000 results can be stored. Customize function allows hiding of unnecessary parameters. GO/NO GO judgement on a desired parameter, Auto-calibration for simple gain-adjustment, SPC Output, these are all functions of the SJ-210. A roughness specimen is provided for calibrating the unit. Specifications include... 4mN Measuring Force X-Axis Measuring Range: 0.63" / 16mm Z-Axis Measuring Range... 14400 µin (-7900 µin to +6300 µin) [360 µm (-200 µm to +160 µm)] 2.05" x 2.6" x 6.3" Display Unit Dimensions Package includes... Main Unit Detachable Drive Unit SJ-210 Standard Detector Connecting Cable Roughness Specimen Carrying Case Calibration Stage Protective Sheets for Display AC Adapter Operation Manual Free Ground Freight The SJ-210 in action... The SJ-210 detector supports a variety of measurement orientations and can perform measurements up against a wall surface or even while facing upwards. When combined with optional accessories like a height gage adapter, the detector can perform measurements in various orientations and settings. Detectors can be changed out quite easily on the SJ-210 for different applications. Several different detectors and other accessories available for use with the SJ-210 are listed on our SJ-210 Accessories page. To view our Mitutoyo SJ-210 Accessories, click here.