| Probe type | N1 |
| Measurement principle | Eddy Current |
| Measurement range | 0~1250μm |
| Low resolution | 0.1μm |
| An indication of calibrating error | ±(3%H+1) |
| An indication of two-point calibrating error | ±[(1~3%)H+1] |
| Minimum radius of curvature | Convex 1.5mm, Concave 9mm |
| minimum area diameter | Φ7mm |
| Basic critical thickness | 0.5mm |
| temperature | 0~40℃ |
| Humidity | 20%~90% |
| Power Supply | AA type alkaline battery 1.5V two |
| Dimensions | 130 * 70 * 25Mm (host) |
| Weight | 350g |
| Shell material | Metal shell |
| optional | Standard test piece, probe, pc communication |
Warranty days: 365 days