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Mixer Mill MM 500 VARIO

Mixer Mill MM 500 VARIO

Retsch | Sample Preparation - Inorganic, Materials Processing, Cell Disruption


The new Mixer Mill MM 500 vario is a versatile bench-top unit which provides ultimate performance with maximum flexibility for your sample preparation process. It is used for dry, wet and cryogenic grinding of small sample amounts with high throughput. The MM 500 vario can be equipped with screw-top grinding jars from 1.5 ml to 50 ml. Available materials include hardened steel, stainless steel, tungsten carbide, agate, zirconium oxide, PTFE.

For biological applications such as homogenization of plant materials, tissues or for cell disruption via bead beating, the MM500vario can be equipped with different adapters for single-use vials from 0.2 - 5 ml.


  • Grind sizes down to 5 μm possible
  • Powerful pulverization with up to 35 Hz
  • Twice as fast as mills with only 30 Hz
  • Ergonomic design with touch display


  • Suitable for dry, wet or cryogenic grinding
  • Equally suited for rapid (
  • 12 SOPs and 4 program cycles with max. 99 repeats facilitate routine applications
  • Grinding jars of various sizes and materials; adapters for single-use vials

Feed material hard, medium-hard, soft, brittle, elastic, fibrous
Size reduction principle impact, friction
Material feed size* <= 8 mm
Final fineness* ~ 5 µm
Batch size / feed quantity* max. 6 x 20 ml
No. of grinding stations 6
Setting of vibrational frequency digital, 3 - 35 Hz (180 - 2100 min-1)
Typical mean grinding time 30 s - 2 min
Dry grinding yes
Wet grinding yes
Cryogenic grinding yes
Cell disruption with reaction vials yes
Self-centering clamping device yes
Type of grinding jars screw top design
Material of grinding tools hardened steel, stainless steel, tungsten carbide, zirconium oxide, agate, PTFE
Grinding jar sizes 1.5 ml / 5 ml / 10 ml / 25 ml / 35 ml / 50 ml
Setting of grinding time digital, 10 s - 8 h
Total grinding time 99 h
Storable SOPs 12
Number of storable cycle programs 4 (with 99 repeats)
Electrical supply data 100-120V, 50/60 Hz; 200-230V, 50/60Hz
Power connection 1-phase
Protection code IP 30
Power consumption 750 W
W x H x D closed 690 x 375 x 585 mm
Net weight ~ 60 kg


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