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| Product Name | AMITTARI AR-132A Surface roughness Meter | RunJie RJJD220 Portable Roughness Gauge |
| Product Price | $997.00 | $1131.00 |
| Details | Details | |
| Model comparison | ||
| Measurement principle | Contact type | Contact type |
| type | Portable | Portable |
| show | digital display | digital display |
| Measurement method | Needle tracing | |
| Measurement parameters | Ra Rz Rq Rt. | Ra Rz Rq Rt. |
| Measurement function | Surface Roughness | |
| Test object | General workpiece | |
| Probe Type | Integrated | Integrated |
| Calibrated certificate | No certificate | No certificate |
| Parameter comparison | ||
| Measurement Range | Ra，Rq：0.05~10.00 um / 1.000~400.0 uinch；Rz，Rt：0.020~100.0 um / 0.780~4000 uinch | Ra：0.05 ~ 10.0 µm；Rz：0.1 ~ 50 µm |
| Accuracy | Not more than +/- 10% | |
| Indication variability | Not more than 6% | ＜12% |
| resolution | 0.001 μm (Measured value < 10 μm); 0.01 μm (10 μm ≤ Measured value < 100 μm); 0.1 μm (Measured value ≥ 100 μm) | |
| Sensor radius | 10μm | |
| Sensor material | diamond | |
| Sensor force measurement | 16mN（0.4gf） | |
| Sensor Angle | 90° | |
| Sensor longitudinal radius | 48mm | |
| Sensor Max Drive Travel | 17.5mm/0.7inch | |
| Sensor sampling length | 0.25Mm, 0.8mm, 2.5mm (optional) | |
| Driving speed measurement | 0.135mm/s (when sampling length = 0.25mm); 0.5mm/s (when sampling length = 0.8mm); 1mm/s (when sampling length = 2.5mm) | |
| When driving speed returns | 1mm/s | |
| evaluation length | 1~ 5L optional | 1.25，4.0mm |
| power supply | Built-in lithium battery | |
| Size | 140x52x48mm | |
| weight | 420g | 200 g |
