| Parameter | LS221 Coating Thickness Gauge |
| Probe tip | Ruby fixed |
| Measuring principle | Fe:Hall Effect / NFe: Eddy current |
| Probe type | External cable probe |
| Measuring rang | 0.0-2000μm |
| Resolution | 0.1μm:(0μm -99.9μm) 1μm:(100μm-999μm) 0.01mm:(1.00mm-2.00mm) |
| Accuracy | ≤±(3% reading+2μm) |
| Unit | μm / mil |
| Measuring interval | 0.5s |
| Minimum measuring area | Ø = 25mm |
| Minimum curvature | Convex:5mm / Concave:25mm |
| Minimum substrate thickness | Fe:0.2mm / NFe:0.05mm |
| Display | 128×48 dot matrix LCD |
| Power supply | 2pcs of 1.5V AAA alkaline battery |
| Range of operation temperature | 0℃-50℃ |
| Storage temperature range | -20℃-60℃ |
| Host size | 101*62*28 mm |
| Probe size | 71*26*22 mm |
| Weight(with battery) | 114 g |