| Model | STO-4 | 
|---|---|
| Paddle speed | 3-12/s | 
| Volume | 50-400ml | 
| Paddle distance | Absorbance photometry | 
| External size | 380x220x330mm | 
| Ambient temp. request | 0-350C | 
| Net weight | 22kg | 
| Power | 220V/50HZ or 110V 180W | 
| Homogeneous bag | 17 × 30cm | 
