Description
Mitutoyo SJ-301
Portable Mitutoyo surface roughness tester for reliable shop-floor verification of machined finishes
| Brand | Mitutoyo |
| Model | SJ-301 |
| Voltage | 100-240V AC adapter with rechargeable battery operation |
| Country of Origin | Japan |
| Weight | Approximately 1.2 kg |
| Dimensions | 307 x 165 x 94 mm |
| Warranty | 6 months |
| Certifications | CE |
| SKU / MPN | SJ-301 |
| What’s in the box | Used SJ-301 tester, measuring detector, stylus, calibration standard, AC adapter, carrying case, and manual |
| Measurement Parameters | Ra, Rq, Rz, Ry, Rmax, Rt and related roughness parameters |
| Measuring Range | Approximately 350 μm (-200 to +150 μm) |
| Cutoff Lengths | 0.08, 0.25, 0.8 and 2.5 mm |
| Detector | Diamond stylus detector, approximately 5 μm tip radius |
| Display | Built-in digital LCD display with measurement results and profiles |
| Operation | Portable battery-powered surface roughness measurement |
Key benefits: Compact handheld design, multiple roughness parameters, selectable cutoff lengths, digital readout, rechargeable operation, and Mitutoyo measurement quality
Typical applications: Machine-shop inspection, production quality control, turned parts, milled surfaces, ground components, automotive parts, and incoming inspection
Lifecycle: Discontinued legacy model; available as a used inspection instrument subject to condition, calibration, and battery status
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