| Operation principle | Magnetic induction & eddy current (F/NF) |
| Measuring range | 0-1250μ m/0-50mil |
| Resolution | 0.1μ m/1μ m |
| Accuracy | ± 1-3%N or 2.5μ m |
| Minimum work piece diameter | F: convex 1.5mm/0.06" , concave 25mm/0.98" NF: convex 3mm/0.12" , concave 50mm/1.97" |
| Minimum measuring area | diameter 6mm/0.24" |
| Minimum sample thickness | 0.3mm/0.012" |
| Power supply | 4× 1.5V AAA batteries |
| Dimension | 126× 65× 27 |
| Weight | 82kg |
