| Friction frequency | Segmental adjustable speed frequency |
| Friction Counter | Adjustable 0-9999 times |
| Round trip | 0-60 times |
| Adjustable friction distance | 10mm-50mm The test rod can be adjusted freely, and the required distance can be adjusted up and down |
| Weight | 500G 200g 100g 50g 2 each |
| Size | 63x45x37 LxWxH cm |
| Weight | 33 kg |
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;