MITUTOYO SJ-220 Portable surface roughness tester (17.5 mm)

Measuring range: 17.5 mm

Detector

Range: 360 µm (−200 μm to +160 μm)

Range/resolution: AUTO / depends on the measurement range: 360 μm/3.5 nm, 100 μm/0.9 nm, 25 μm/0.2 nm

Tracing speed

During measurement: 0.25 mm/s, 0.5 mm/s, 0.75 mm/s, 1 mm/s

During return: 1 mm/s  

Measuring force: 0.75 mN

Stylus tip

Radius: 2 μm

Angle: 60°

Skid force" Less than 400 mN

Applicable standards: JIS B 0601:1982, JIS B 0601:1994, JIS B 0601:2013, JIS B 0671:2002, JIS B 0631:2000, ISO 4287:1997, ISO 13565:1996, ISO 12085:1996, ISO 21920:2021, ASME B46.1, VDA2006

Assessed profiles: Primary profile (P), Roughness profile (R), DF profile, R-Motif

Filters: 2CR75 / PC75 / Gaussian

Sampling length: 0.08, 0.25, 0.8, 2.5, 8 mm

Number of sampling lengths: ×1 to ×10, Arbitrary (0.1 to 16.0 mm at 0.01 mm interval)

LCD specifications: 2.8" TFT color LCD touch panel with backlight (320×240 dot)

Touch screen functions: Touch, swipe, flick, long press

Backlight functions: Backlight adjustment (5 levels), ECO mode (backlight turns off if no operation for 10 seconds)

Datasheet