Diffusion
Edwards
| Model | HT10 | HT16B | HT20B | |
| Comparative pumping Speed | l*S-1 | 4650 | 11580 | 18000 |
| Nitrogen | 3000 | 6500 | 8000 | |
| Helium | 4650 | 7200 | 16000 | |
| Fluid Change | ml | 1250 | 2400 | 3600 |
| Recommended backing pump | GV80, E2M80 | GV80, GXS250, E2M175 | GXS250, E2M175 | |
| Heater Power | kw | 5.1 | 9 | 12.6 |
| Weight | Kg | 80 | 185 | 275 |
| Model | HT10 | HT16B | HT20B | |
| Comparative pumping Speed | l*S-1 | 4650 | 11580 | 18000 |
| Nitrogen | 3000 | 6500 | 8000 | |
| Helium | 4650 | 7200 | 16000 | |
| Fluid Change | ml | 1250 | 2400 | 3600 |
| Recommended backing pump | GV80, E2M80 | GV80, GXS250, E2M175 | GXS250, E2M175 | |
| Heater Power | kw | 5.1 | 9 | 12.6 |
| Weight | Kg | 80 | 185 | 275 |