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Retsch
Mixer Mills MM 200 / MM 400 MM / 500 / CryoMill

Retsch  Mixer Mills MM 200 / MM 400 MM / 500 / CryoMill
Retsch  Mixer Mills MM 200 / MM 400 MM / 500 / CryoMill
Retsch  Mixer Mills MM 200 / MM 400 MM / 500 / CryoMill
Retsch  Mixer Mills MM 200 / MM 400 MM / 500 / CryoMill
Retsch Mixer Mills MM 200 / MM 400 MM / 500 / CryoMill
MM Series Video
 CryoMill Video
The mixer mills are true laboratory 'all-rounders'. They have been developed specially for grinding, homogenising and mixing of small sample amounts in only a few seconds. They are also perfectly suitable for the disruption of biological cells, protein extraction as well as for DNA / RNA extraction. The MM 400 can also be used for wet and cryogenic grinding thanks to the screw-top grinding jars.

The MM 500 is the first ball mill in the world that can efficiently wet-mill samples to nanosised particles with only minor warming effects. Performance, handling, application fields and design of the MM 500 make it the perfect combination of a classic mixer mill and a planetary ball mill.

The CryoMill is designed for the cryogenic size reduction of materials which cannot be ground at room temperature or whose composition would be changed by it. The grinding jar is cooled before and during the grinding process with liquid nitrogen through an integrated cooling system. Thus, the sample is embrittled and its volatile components are preserved. The patented LN2 supply makes handling especially safe protects the user from direct contact with liquid nitrogen. The CryoMill can also be operated without the cooling system which makes it suitable for a wide range of applications.

Features MM 200 / 400:
  • Efficient grinding, mixing and homogenisation in seconds.
  • Powerful grinding by impact and friction, up to 30 Hz for up to 20 samples per run.
  • 3 different grinding modes: dry, wet or cryogenic (MM 400).
  • Screw-top grinding jars for leak-proof grinding (MM 400).
  • 9 standard operating procedures can be stored.
  • Wide range of accessories including various jar and ball sizes, adapter racks, grinding tool materials.

Features MM 500:
  • 2 grinding stations.
  • Powerful grinding with up to 35 Hz.
  • Grind sizes < 100 nm.
  • Grinding jar volumes 50, 80 and 125 ml.
  • Screw-lock jars in sizes up to 125 ml, pressure-tight up to 5 bar.
  • Jars may stay clamped while taking a sub-sample.
  • Memory for 12 SOPs and 4 program cycles with up to 99 repititions.

Features CryoMill:
  • Powerful cryogenic grinding by impact and friction, up to 30 Hz.
Closed LN2-system (autofill) for enhanced safety, avoids any contact of the user with LN2.
  • The patented LN2 supply protects the user from direct contact with liquid nitrogen.
  • Screw-top grinding jars for convenient, leak-proof operation.
  • Clearly structured user interface, memory for 9 SOPs.
  • Wide range of accessories incl. various LN2 feeding systems, jar and ball sizes, adapter racks, materials.
Technical Data:
Feed size:MM 200: to 6 mm
MM 400 / CryoMill: to 8 mm
MM 500: to 10 mm
Final fineness:MM 200: d90 < 10 µm
MM 400 / CryoMill: d90 < 5 µm
MM 500: ~ 0.1 µm
Batch:MM 200: up to 2 x 10 ml
MM 400: max. 2 x 20 ml
CryoMill: max. 20 ml
MM 500: 2 x 45 ml
Digital preselection of vibrational frequency:MM 200: 3 to 25 Hz (180 to 1500 min-1)
MM 400: 3 to 30 Hz (180 to 1800 min-1)
CryoMill: 3 to 30 Hz (300 to 1800 min-1)
MM 500: 3 to 35 Hz (180 to 2100 min-1)
 TypeWeight
kg
Size (W x D x H)
mm
Mains supplyOrder No.PU Availability 
MM 20025371 x 266 x 461100 to 230 V, 50 to 60 Hz57390801Login / Registration-
MM 40026371 x 266 x 461100 to 230 V, 50 to 60 Hz57390811Login / Registration-
MM 50060690 x 585 x 375200 to 230 V, 50 to 60 Hz54469311Login / Registration-
MM 50060690 x 585 x 375100 to 120 V, 50 to 60 Hz54469321Login / Registration-
CryoMill45395 x 373 x 577100 to 230 V, 50 to 60 Hz54320201Login / Registration-
Please order grinding jars and balls separately.
IQ / OQ documentation on request.
Accessories for cryogenic grinding with MM 400 and MM 500 on request.
CryoMill: please order autofill separately.
Accessories:
Grinding balls for mixer mills MM 200 / MM 400 / MM 500 / CryoMill / Retsch
Grinding jars with lid for mixer mills MM 200 / MM 400 / MM 500 / Retsch
Accessories for CryoMill / Retsch
Aeration lids for MM 500 grinding jars / Retsch
Accessories for mixer mills MM 500 / Retsch