Mixer Mill MM 200

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The mixer mill MM 200 is a compact versatile benchtop unit, which has been developed specially for dry grinding of small amounts of sample.
It can mix and homogenize powders in only a few seconds. It is also perfectly suitable for the disruption of biological cells as well as for DNA/RNA extraction. With its high performance and great flexibility the mixer mill MM 200 is a unique product in the market.

You may also be interested in the High Energy Ball Mill Emax, an entirely new type of mill for high energy input. The unique combination of high friction and impact results in extremely fine particles within the shortest amount of time.

Application Examples

alloys, animal feed, bones, ceramics, cereals, chemical products, coal, coke, drugs, glass, grains, hair, minerals, oil seeds, ores, paper, plant materials, plastics, sewage sludge, soils, straw, tablets, textiles, tissue, tobacco, waste samples, wood, wool, ... continue to application database

Product Advantages

  • reproducible, efficient grinding, mixing and homogenization in seconds
  • powerful grinding by impact and friction, up to 25 Hz for up to 20 samples per run
  • 9 SOPs can be stored
  • wide range of accessories including various jar and ball sizes, adapter racks, grinding tool materials

Features

Applications size reduction, mixing, homogenization, cell disruption
Field of application agriculture, biology, chemistry / plastics, construction materials, engineering / electronics, environment / recycling, food, geology / metallurgy, glass / ceramics, medicine / pharmaceuticals
Feed material hard, medium-hard, soft, brittle, elastic, fibrous
Size reduction principle impact, friction
Material feed size* ≤ 6 mm
Final fineness* ~ 10 µm
Batch size / feed quantity* max. 2 x 10ml
No. of grinding stations 2
Setting of vibrational frequency digital, 3 - 25 Hz (180 - 1500 min-1)
Typical mean grinding time 30 s - 2 min
Dry grinding yes
Wet grinding -
Cryogenic grinding -
Cell disruption with reaction vials yes, up to 10 x 2.0 ml
Self-centering clamping device -
Type of grinding jars with push-fit lid
Material of grinding tools hardened steel, stainless steel, tungsten carbide, agate, zirconium oxide, PTFE
Grinding jar sizes 1.5 ml / 5 ml / 10 ml / 25 ml
Setting of grinding time digital, 10 s - 99 min
Storable SOPs 9
Electrical supply data 100-240 V, 50/60 Hz
Power connection 1-phase
Protection code IP 30
Power consumption 100 W
W x H x D closed 371 x 266 x 461 mm
Net weight ~ 25 kg
Documentation Operation & Application Video
Standards CE

Please note:
*depending on feed material and instrument configuration/settings

Function Principle

The grinding jars of the MM 200 perform radial oscillations in a horizontal position. The inertia of the grinding balls causes them to impact with high energy on the sample material at the rounded ends of the grinding jars and pulverize it. Also, the movement of the grinding jars combined with the movement of the balls result in the intensive mixing of the sample.
The degree of mixing can be increased even further by using several smaller balls. If several small balls are used (e.g. glass beads) then, for example, biological cells can be disrupted. The large frictional impact effects between the beads ensure effective cell disruption.

Subject to technical modifications and errors