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| Product Name | Duban DB20-SRT231+ Sand blasting shot peening surface roughness instrument | Ipre SR500 RoughoMeter |
| Product Price | $535.00 | $990.00 |
| Details | Details | |
| Model comparison | ||
| Principle | Contact | Contact |
| Instrument Type | Portable | Portable |
| Display Type | Digital | Digital |
| Measurement Function | Surface Roughness | Surface Roughness |
| Measurement parameters | Ra Rz Rq Rt Rp Rv RSm Rmr(c) Others | |
| Test object | Sand blasting shat blasting workpiece | General workpiece |
| Measuring Range | >50μm | >50μm |
| Accuracy | ±5% | ±10% |
| Sampling Length | Multi-range | |
| Sensor Configuration | Standard | Standard |
| Applicable Workpiece | Flat Surface/Shaft | Flat Surface/Shaft |
| 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) | |
