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| Product Name | RunJie RJJD220 Portable Roughness Gauge | Ipre RA150 Asperity Profile Gauge |
| Product Price | $1131.00 | $12033.00 |
| Details | Details | |
| Model comparison | ||
| Measurement principle | Contact type | Contact type |
| type | Portable | desktop |
| show | digital display | Pointer |
| Measurement method | Needle tracing | |
| Measurement parameters | Ra Rz Rq Rt. | Ra Rz Ry Rq Rt. Rp Rv R3z RSk RS RSm Rmr Rku |
| Measurement function | Surface Roughness Roughness profile Roughness shape | |
| Test object | General workpiece | |
| Probe Type | Integrated | Integrated |
| Calibrated certificate | No certificate | |
| Parameter comparison | ||
| Measurement parameter | Ra、Rz、Rq、Rt µm | |
| stroke length | 6mm | |
| Sampling length | 0.25，0.80，2.50mm | |
| evaluation length | 1.25，4.0mm | |
| Measurement Range | Ra：0.05 ~ 10.0 µm；Rz：0.1 ~ 50 µm | |
| Indication Error | ±15% | |
| Indication variability | ＜12% | |
| Sensor stylus tip arc radius | 10 µm±1 µm | |
| Sensor stylus tip angle | 90° | |
| Sensor stylus static force | ≤ 0.016 N | |
| Sensor stylus force change rate | ≤ 800 N/m | |
| Sensor guide pressure | ≤ 0.5 N | |
| Battery | 3.7V lithium-ion battery | |
| Dimension | 106 *70 *24mm | |
| weight | 200 g | |
| Operating environmental conditions | Temperature: -20℃~ 40℃; relative humidity: < 90% no vibration around, no corrosion medium | |
