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RETSCH Knife Mill Grindomix GM200

For size reduction, homogenization and mixing

Supplier:  RETSCH 202540002

Catalog No. 08-418-560

Please call Customer Service at 1-800-234-7437 or send an email to help@thermofisher.com for assistance.



The ideal instrument for grinding and homogenizing foods and feeds. It allows to process sample volumes up to 0.7L quickly and reproducibly.


  • Two sharp, robust blades and a powerful motor
  • Ideal for homogenizing substances with a high water, oil or fat content as well as grinding dry, soft and medium-hard products
  • Wide selection of lids and containers allows for adaptation of mill to individual application requirements
  • Meets and exceeds all special laboratory and analytical requirements
  • Professional device; superior to any commercial household mixer
  • Efficient size reduction of up to 700mL feed quantity due to a powerful 900W motor
  • Pre- and fine-grinding in one mill: cutting action in regular mode, grinding by impact in reverse mode, pre-grinding in interval mode
  • All parts that come into contact with sample material are autoclavable
  • Perfect adaptation to application requirements by variable speed from 2,000 - 10,000 rpm 
  • Optional gravitation lid for automatic reduction of the grinding chamber volume
  • Three SOPs can be stored
  • Blade is constructed of stainless steel/titanium
  • Grinding jar in plastic, stainless steel and glass available
  • Feed material: soft, medium-hard, elastic, containing water/fat/oil, dry, fibrous
  • Size reduction principle: cutting
  • Material feed size†: 40mm
  • Final fineness†: 300μm
  • Batch size/feed quantity†: 70mL (w/ standard lid); 300mL (reduction lid); 300-600mL (gravity lid)
  • Grinding chamber volume: 1000mL (w/ standard lid); 500mL (reduction lid); 400-800mL (gravity lid)     
  • Speed at 50Hz (60Hz): 2,000 - 10,000 rpm
  • Setting of grinding time: digital, 1 sec.- 3 min.
  • Interval operation: yes
  • Drive: Series-characteristic motor
  • Drive power: ã900W
  • Power connection: 1-phase
  • Protection code: grinding chamber and keypad IP-42
  • Power consumption: ã900W
  • Dimensions: 39.2D x 35W x 27.5Hcm (closed); 55.3 x 35 x 41cm (opened)
  • Net weight: ã10 kg



Agriculture, biology, food, medicine and pharmaceuticals. Examples: candy, cereal bars, cereals, cheese, coated tablets, cocoa nibs, deep-frozen products, dietary supplements, dried and fresh fruit, feed pellets, fish, ham, lettuce, meat, nuts, oil seeds, pharmaceutical materials, plant materials, sausages, soap, spices, vegetables.


CE approved

† Depending on feed material and instrument configuration/settings.



33.81 oz.
39.2 cm (closed), 55.3 cm (open)
Ideal for agriculture, biology, food, medicine, pharmaceuticals, size reduction, homogenization and mixing
10.82 in. (closed), 16.14 in. (open)
50/60 Hz
40 mm
700 mL
100/120 V
22.04 lb.
13.7 in. (closed), 13.7 in. (open)
1000 mL
15.43 in. (closed), 21.77 in. (open)
100/120 V, 50/60 Hz
1 sec. to 3 min.
27.48 cm (closed), 41 cm (open)
23.66 oz.
2000 to 10,000 rpm
900 W
10 kg
35 cm (closed), 35 cm (open)