| Swing bar length | 500±1mm |
| Counting method | Automatic counting |
| Application standard | GB308 |
| steel ball | Comply with the specifications of 8CIII in the GB308 standard |
| Test environment | Temperature 23 +/- 2 ℃, Relative Humidity 50 +/- 5% |
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;