| model | R-201C | R-201D | R-301 | R-501 |
| Rotating bottle | Standard configuration: 1L (can be equipped with 2L) | 3L | 5L | |
| Receiving bottle | 1L | 1L | 3L | |
| condenser | Vertical integrated | Vertical split | vertical | |
| Bath pot capacity | 2L | 3L | 5L | |
| rotation speed | 10-120r/min | 10-90 r/min | ||
| display mode | Digital temperature display Digital speed display | |||
| host lift | Manual operation | |||
| Motor power | 40W | |||
| lifting distance | 0-150mm | 0-120mm | ||
| heating power | 1.5KW | |||
| Temperature control range | Room temperature to 250℃ | |||
| Bath pot size | 260*150mm | 280*170mm | ||
| power supply | 220V 50Hz | |||
| Overall dimensions | 720*385*960mm | 750*369*1100mm | ||
| weight | 26KG | 30KG | ||