|  Testing parameters (μm) |
Ra, Rz |
| Stroke length |
6mm or 0.2 inch |
| Sample length |
0.25, 0.80, 2.50 mm or 0.01, 0.03, 0.1 inch |
| Evaluation length |
 1.25, 4.0, 5.0 mm or 0.05, 0.16, 0.2 inch |
| Measurement range (μm) |
Ra: 0.05 ~ 10.0 Rz: 0.1~50 |
| Error |
±10% |
| Variability |
<12% |
| Contacting pin round diameter |
10 μm ± 1 μm |
| Battery |
3.7V Li |
| Size |
106x70x24 mm or 4.2×2.8×0.9 inch |
| Weight |
200g |
| Stylus static force |
≤0.016N |
| Force measuring rate of change |
 ≤800N/m |
| Operating condition |
Temperature -20 ~ 60°C (-4~140°F); Relative humidity <90% |
