Retsch GM300 Knife Mill
With its special cutting knife system and variable-volume grinding chamber, the laboratory knife mill GRINDOMIX GM 300 processes a great variety of sample materials quickly and reproducibly to completely homogeneous analytical samples – within seconds!
Applications: size reduction, homogenization and mixing
Field of application: agriculture, biology, food, medicine, pharmaceuticals
Technical Data
| Size reduction principle | cutting |
| Material feed size | ~ 130 mm |
| Final fineness | < 300 µm |
| Batch size / feed quantity | with standard lid 4500 ml with gravity lid 4000 ml |
| Grinding chamber volume |
5000 ml, reduction with gravity lid |
| Speed setting | digital, 500 - 4000 min-1 |
| Dry grinding | Yes |
| Wet grinding | Yes |
| Material of grinding tools |
grinding container: autoclavable plastic PC, stainless steel 1.4435 |
| Setting of grinding time | digital, 5 s - 3 min |
| Interval operation | Yes |
| Interval time | adjustable |
| Storable SOPs | 10 |
| Drive |
3-phase asynchronous motor with frequency converter |
| Drive power | continuously 1.1 kW, short term 3 kW |
| Electrical supply data | 220–230 V, 50 Hz |
| Protection code | IP 20 |
| W x H x D closed | 440 mm x 340 mm x 440 mm |
| Net weight | ~ 30 kg |
| Standards | CE |