| Power | 220V 50HZ |
| Instrument test resolution | 1/10000 second |
| Rebound coefficient Measurement range | 25%-80% |
| Falling ball rebound Accuracy | <1.5% |
| Steel ball drop distance | 460 + 0.5% mm (national standard) 500 + 0.5% mm (American standard) |
| Steel ball diameter | Φ16-0.05 mm |
| Automatic calculation | Average rebound height; average rebound configuration |
| show | LCD Chinese |
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;