| Measurement principle | Injection limited bottom method |
| meet the standard | GB/T 16913-2008 |
| Funnel outlet diameter | Φ5mm |
| Funnel taper | 60º±0.5º |
| protractor | 7.5cm~10cm |
| The distance between the bottom edge of the outflow port and the disk surface | 80mm±2mm |
| Disk diameter | Φ80mm |
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;