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Mitutoyo 178-570-21D | Surftest SJ-310 Portable Roughness Tester | Skid, 0.75 mN
The SJ-310 is a portable, skid-type surface roughness tester with a touch-screen, a 14.5 cm colour LCD and a built-in printer. It works independently of mains power, and measures with an induction-method detector fitted with a diamond stylus of 2 µm tip radius, 60° tip angle and 0.75 mN force.
Key features
- Analyses to EN ISO, VDA, ANSI and JIS standards, plus customised settings
- Stores 10 measuring conditions internally, up to 500 with an optional SD card
- Display range for Ra and Rq of 0.01 µm to 100 µm
- Statistical analysis and coloured tolerance judgement; 16 languages
- RS-232C, DIGIMATIC output and compact flash card interfaces; mass 1.7 kg
- Specifications
- Downloads
| Part Number | 178-570-21D |
| Brand | Mitutoyo |
| Model | SJ-310 |
| Measuring method | Induction method |
| Stylus | Diamond tip |
| Stylus tip radius | 2 µm |
| Stylus tip angle | 60° |
| Detector measuring force | 0.75 mN |
| Skid radius | 40 mm |
| Cable length | 1 m |
| Display range Ra, Rq | 0.01 µm - 100 µm |
| Printer | Thermal, 48 mm width |
| Interface | RS-232C, DIGIMATIC, compact flash card |
| Mass | 1.7 kg |
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