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| Product Name | Ipre PRSR210 Roughness Gauge | KairDa NDT110B Pocket surface roughness Tester |
| Product Price | $1122.00 | $448.00 |
| Details | Details | |
| Model comparison | ||
| Principle | Contact | Contact |
| Instrument Type | Handheld | |
| Display Type | Digital | Digital |
| Measurement Function | Surface Roughness | Surface Roughness |
| Measurement parameters | Ra Rz Rq Rt Rp Rv RSm Rmr(c) Others | Ra Rz Rq Rt |
| Test object | Sand blasting shat blasting workpiece | General workpiece |
| Measuring Range | 5-50μm | 5-50μm |
| Accuracy | ±10% | ±15% |
| Sampling Length | Multi-range | Multi-range |
| Sensor Configuration | Standard Small Bore Groove | Standard |
| Applicable Workpiece | Flat Surface/Shaft Groove/Slot Deep Hole | Flat Surface/Shaft Groove/Slot |
| Parameter comparison | ||
| parameter | Ra、Rz、Ry、Rq、Rt、Rp、Rv、Rmax、R3z、RSk、RS、RSm、Rmr | |
| Measurement Range | Ra:0.025-12.5μm | Ra、Rq：0.05 um ~ 15 um；Rz、Rt：0.1 um~ 50 um |
| Display Range | Ra、Rq：0.005-16μm；Rz、Ry、Rt、Rp、Rv、Rmax、R3z：0.02-160μm；RS、RSm：1mm；Rmr：0-100%（%Rt）；Rsk：0-100% | |
| Range | ±20μm、±40μm、±80μm | |
| Display resolution | 0.001μm | |
| filter | RC、PC-RC、GAUSS、D-P | |
| Sampling length | 0.25mm,0.8mm,2.5mm | 0.25mm、0.80mm、2.50mm |
| evaluation length | (1-5) l (optional) l is the sampling length | 1.25mm、4.0mm、5.0mm |
| Maximum Drive Travel | 17.5mm/0.7inch | |
| minimum drive stroke length | 1.3mm/0.052inch | |
| Indication Error | ≤±10% | ≤±15% |
| Indication variability | ≤6% | ＜12% |
| Display mode | 128 * 64 OLED point matrix liquid crystal (self-luminous) | digital display |
| power supply | Built-in rechargeable lithium battery | 3.7V lithium-ion battery |
| Dimension | 140*52*48mm | 106 *70 *24mm |
| weight | 440g | |
| Sensor detection principle | Inductance | |
| Sensor Measurement Range | 160μm | |
| Sensor tip radius | 5μm | |
| Sensor tip material | diamond | |
| Sensor stylus force measurement | 4mN(0.4gf) | |
| Sensor stylus angle | 90° | |
| Sensor guide longitudinal radius | 45mm | |
