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| Product Name | Duban DB20-SRT231+ Sand blasting shot peening surface roughness instrument | Ipre SR500 RoughoMeter |
| Product Price | $528.00 | $978.00 |
| Details | Details | |
| Model comparison | ||
| Measurement principle | Contact type | |
| type | Portable | |
| show | digital display | |
| Measurement method | Needle tracing | |
| Measurement parameters | Ra Rz Ry Rq Rt. Rp Rv Rmax R3z RSk RS RSm Rmr Rku | |
| Measurement function | Surface Roughness | |
| Test object | General workpiece | |
| Probe Type | wired | |
| Calibrated certificate | No certificate | |
| Parameter comparison | ||
| display | LCD display | |
| Accuracy | +/- 5% or +/- 5a | |
| resolution | 0.1 μm (measurement < 100 μm) | |
| Measurement Range | 0~750um | Ra:0.025-12.5μm |
| Measurement principle | inductive | |
| Operating environment | Temperature 0~ 50℃; Humidity < 80% RH | |
| power supply | 2X1.5vAAA No. 7 battery | Built-in rechargeable lithium battery |
| Size | 176mmx63mmx25mm | |
| Net weight | 310G (without battery) | |
