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RETSCH Knife Mill Grindomix GM200

For size reduction, homogenization and mixing

Manufacturer: retsch  20.253.0002

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Catalog No. 08-418-560

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Description & Specifications


Capacity (English) 33.81 oz.
Capacity (Metric) 1000mL
Capacity 33.81 oz., 1000mL
Certifications/Compliance CE
Depth (English) 15.43 in. (closed), 21.77 in. (open)
Depth (Metric) 39.2cm (closed), 55.3cm (open)
Electrical Requirements 100/120V 50/60Hz
For Use With (Application) Ideal for agriculture, biology, food, medicine, pharmaceuticals, size reduction, homogenization and mixing
Height (English) 10.82 in. (closed), 16.14 in. (open)
Height (Metric) 27.48cm (closed), 41cm (open)
IP Rating IP 42
Sample Volume (English) 23.66 oz.
Sample Volume (Metric) 700mL
Size (Metric) 40mm
Speed 2 to 10 min.-1
Thickness (Metric) 300μm
Timer Range 1 sec. to 3 min.
Watts 900w
Weight (English) 22.04 lb.
Weight (Metric) 10kg
Width (English) 13.7 in. (closed), 13.7 in. (open)
Width (Metric) 35cm (closed), 35cm (open)
Hertz 50/60Hz
Voltage 100/120V

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 to 10 min-1 with an increment of 100 min-1
  • 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): digital, 2 - 10 min-1
  • 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.