Mitutoyo 178-742-13 SJ-220 Portable Surface Roughness Tester, Standard Drive Unit, Range X-Axis: .7″/17.5mm Measuring Force: 4mN Stylus Tip (Diamond, angle °/ tip radius): 90 / 5μm

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The Surftest SJ-220 offers you the following benefits:

• Robust design, yet comfortable handling
• Skid system gives you user friendly and intuitive menu navigation via touchscreen.
• It works independently of mains power, allowing you to make on-site measurements.
• The 2.8“ high resolution LCD touchscreen gives you excellent readability.
• It performs roughness analyses conform to various international standards (EN ISO 21920, EN ISO 4287, ISO 13565, ISO 12085, VDA, ASME, JIS).
• Different drive units expanding the range of applications.
• Calculation results, assessed profiles and curves can be displayed.
• Support of 25 languages.
• Optional Bluetooth connectivity to PC and Smartphone.
• Free software SJ Communication Tool per download.

• Measuring range: 360µm (-200 + 160µm)
• Traverse: 17.5mm
• Standard drive unit type
• Measuring force: 4mN
• Radius: 5µm
• Measuring speed: 0.25mm/s, 0.5mm/s, 0.75mm/s, 1mm/s
• Measuring method: Differential inductance
• Range: 360 µm
• Stylus: Diamond Tip
• Skid radius: 40 mm
• Profiles: Primary Profile (P), Roughness Profile (R), R-Motif, DF-Profile
• Roughness standard: EN ISO, VDA, JIS, ANSI and customize settings
• Digital filter: Gauss, 2CR75, PC75
• Cut-off length: λc: 0.08mm, 0.25mm, 0.8mm, 2.5mm, 8mm; λs: 2.5µm, 8µm, 25µm
• Tolerance: Coloured upper / lower limit
• Power supply: AC adapter or rechargeable battery
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