| Model | HGG-I | HGG-II |
| Material | Stainless steel | |
| Slot | 16 | 12 |
| Weigh of slot | 12.7mm | 25.4mm |
| Max sample | 150-1200g | 300-2000g |
| Size | 315*240*260mm | 420*240*280mm |
| Use range |
Grain, wheat and
so on small seed |
Bean, corn and so no
big seed |