Planetary Micro Mill
PULVERISETTE 7
classic line| Working principle | impact force | 
| Optimal for material type | hard, medium-hard, brittle, moist | 
| Number of working stations | 2 | 
| Grinding tools | grinding bowls and grinding balls | 
| Materials of the grinding tools | agate, sintered corundum, silicon nitride, zirconium oxide, hardened stainless steel, hardmetal tungsten carbide, polypropylene | 
| Grinding bowl sizes | 12, 45 ml | 
| Grinding ball diameter | 0.1 - 15 mm | 
| Max. feed size (depends on material) | 5 mm | 
| Sample quantity | 0.5-40 ml | 
| Final fineness (depends on material) | < 1 µm | 
| Typical grinding time down to analytical fineness | 3 min | 
| Grinding process | dry/wet | 
| Grinding in inert gas | only possible in glove box | 
| Gas pressure and temperature measurement | no | 
| Rotational speed of main disk | 100 - 800 rpm | 
| Transmission ratio planetary disk / grinding bowl | i relative = 1 : -2 | 
| Effective diameter of main disk | 140 mm | 
| Centrifugal acceleration (g = 9.81 m/s²) | 50 g | 
| Interfaces | yes | 
| Electrical details | 100-120/200-240 V/1~, 50-60 Hz, 740 Watt  voltage, indicated by customer is set  | 
					
| Emission sound pressure level at the workplace according to DIN EN ISO 3746 (depending on the material to be ground, grinding bowls/balls, selected rotational speed) | up to approx. LpAd = 96 dB | 
| Weight | 35 kg | 
| Dimensions (W x D x H) | bench top instrument 37 x 53 x 50 cm |