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| Product Name | Duban DB20-SRT231 Sand blasting shot peening surface roughness instrument | Duban DB20-SRT231+ Sand blasting shot peening surface roughness instrument |
| Product Price | $483.00 | $528.00 |
| Details | Details | |
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| display | LCD display | LCD display |
| Accuracy | +/- 5% or +/- 5a | +/- 5% or +/- 5a |
| resolution | 0.1 μm (measurement < 100 μm) | 0.1 μm (measurement < 100 μm) |
| Measurement Range | 0~750μm | 0~750um |
| Measurement principle | inductive | inductive |
| Operating environment | Temperature 0~ 50℃; Humidity < 80% RH | Temperature 0~ 50℃; Humidity < 80% RH |
| power supply | 2X1.5vAAA No. 7 battery | 2X1.5vAAA No. 7 battery |
| Size | 176*63*25mm | 176mmx63mmx25mm |
| Net weight | 310G (without battery) | 310G (without battery) |
