| Measurement principle | destructive |
| Measurement range | 2~1800μm |
| Power | 4 * AA 1.5V battery |
| Standards | ISO 2808、ASTM D4138-0 |
| Machine size | 25*110*65mm |
| Microscope | 50X scale Microscope |
| Shell material | Titanium, aluminum anodic oxidation |
1. For product quality problems caused by non-human products of instruments and equipment, the manufacturer will provide free warranty services during the warranty period;
2. There is no warranty period for fragile and consumable parts, and if you find product quality problems after receiving the goods, please apply for return and exchange within 7 days, and you will not wait for the overdue ones;