| Friction method | loop |
| Frictional contact form | point |
| Frictional medium | paper tape |
| friction load | 55g、175g、275g |
| Friction Frequency | About 20 times/minute |
| Rotation speed of working plate | 2.1 inches per second |
| Counting method | Rotary mechanical counting |
| Power supply Voltage | 120V/220V/240V |
| Machine size | 40*95mm |
| Machine Weight | 16.8kg |
| Meet the standard | ASTM F2357-04 |
Warranty days: 365 days
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;