| Display | digital display |
| Measurement parameters | Ra、Rz、Rq、Rt |
| Measuring range | RaRq: 0.05μm ~ 15μmRzRt: 0.1μm ~ 50μm |
| resolution | 0.01 |
| Error of indication | ≤±15% |
| Indication of variability | <12% |
| Sampling length | 0.25mm、0.80mm、2.50mm |
| Evaluation length | 1.25mm、4.0mm、5.0mm |
| Stroke length | 6mm |
| Sensors - Radius | 10 μm ± 1μm |
| Sensors - Force Measurement | ≤ 0.016N |
| Power | 3.7V lithium-ion battery |
| Dimensions | 106*70*24mm |
| Product Weight | 200g |
| Operating Conditions | Temperature: -20 ℃~ 60 ℃; Relative Humidity: < 90%; no vibration around, no corrosive medium |
| Applicable standard | GB/T 3505-2000、GB/T 6062-2002 |
| Force change rate | ≤ 800N/m |
| Sensors Guide Pressure | ≤ 0.5N |
Warranty days: 730 days
1. If the instrument and equipment are not artificially caused by product quality problems, the manufacturer provides 2 years free warranty service;