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Mitutoyo 178-582-31D | Surftest SJ-412 Portable Roughness Tester | 50 mm Traverse, 0.75 mN
Item 178-582-31D, the SJ-412, doubles the traverse of the SJ-411 to 50 mm, with a stated straightness of 0.5 µm over 50 mm. It is a portable tester with a touch-screen and built-in printer, using a 2 µm stylus at 0.75 mN.
Key features
- Skidless or skidded measurement; measuring speeds 0.05 to 1 mm/s
- Cut-off lengths λc from 0.08 mm to 8 mm and λs of 2.5, 8 and 25 µm
- Tilt positioning of ±1.5° with 10 mm up/down travel
- Digital filters: Gauss, 2CR75 and PC75
- Weighs 2.9 kg; connects by USB, Digimatic, RS-232C or foot switch
- Specifications
- Downloads
| Part Number | 178-582-31D |
| Brand | Mitutoyo |
| Model | SJ-412 |
| Traverse | 50 mm |
| Traverse straightness | 0.5 µm / 50 mm |
| Measuring speed | 0.05, 0.1, 0.5, 1 mm/s |
| Detector measuring force | 0.75 mN |
| Stylus tip radius | 2 µm |
| Stylus tip angle | 60° |
| Measuring method | Skidless / skidded |
| Range | 800 / 80 / 8 µm |
| Positioning | ±1.5° tilt, 10 mm up/down |
| Interface | USB, Digimatic, RS-232C, foot switch |
| Mass | 2.9 kg |
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