| Friction method | Reciprocating |
| Frictional contact form | line |
| Frictional medium | Dried or wet white wool felt |
| Power | 1 ∮, AC 220V, 2A for |
| Standards | ISO-11640、SATRA PM173、QB/T2537 |
| Specimen size | 120x20mm |
| Wool felt area | 15x15mm |
| friction load | 500g |
| Auxiliary load | 500g |
| Friction frequency | 40±2cycles/min |
| Friction distance | 35mm |
| Counter | LCD,0~99999 |
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;