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| Product Name | Leeb leeb451 Roughness Gauge | RunJie RJJD220 Portable Roughness Gauge |
| Product Price | $687.00 | $1145.00 |
| Details | Details | |
| Model comparison | ||
| Principle | Contact | Contact |
| Instrument Type | Handheld | Handheld |
| Display Type | Digital | Digital |
| Measurement Function | Surface Roughness | Surface Roughness |
| Measurement parameters | Ra Rz Rq Rt | Ra Rz Rq Rt |
| Test object | Sand blasting shat blasting workpiece | General workpiece |
| Measuring Range | 5-50μm | 5-50μm |
| Accuracy | ±15% | ±15% |
| Sampling Length | Multi-range | 2.5mm |
| Sensor Configuration | Standard | Standard |
| Applicable Workpiece | Flat Surface/Shaft Groove/Slot | Flat Surface/Shaft Groove/Slot |
| Parameter comparison | ||
| Display mode | digital display | |
| Measurement parameter | Ra、Rz、Rq、Rt | Ra、Rz、Rq、Rt µm |
| Measurement Range | Ra:0.05~10.0μm；Rz:0.1~50μm | Ra：0.05 ~ 10.0 µm；Rz：0.1 ~ 50 µm |
| Indication Error | ≤±15％ | ±15% |
| Indication variability | ＜12％ | ＜12% |
| Sampling length | 0.25mm|0.8mm|2.5mm | 0.25，0.80，2.50mm |
| evaluation length | 1.25mm、4mm、5mm | 1.25，4.0mm |
| scan length | 6mm | |
| Sensor material | piezoelectric crystal | |
| Measurement profile | asperity | |
| power supply | 3.7V lithium-ion battery | |
| Dimension | 106*70*24mm | 106 *70 *24mm |
| Product weight | 200g | |
| Operating Conditions | Temperature 0 ° C-40 ° C | |
| Applicable standard | GB/T 3505-2000、GB/T 6062-2002 | |
| Standard configuration | Host, Power Adapter, Multi-reticle template (asperity standard block) | |
