CG-400 Freezer/Mill

High-Capacity Cryogenic Grinder

The CG-400 Freezer/Mill (part #6875), is a large cryogenic grinder that accomodates samples from 0.1 to 100 grams. It has one dual purpose chamber that precools and grinds samples and can hold one large grinding vial, one mid-sized vial, four small grinding vials, or four microvial sets.  Sample vial maintains cryogenic temperatures due to continuous immersion in liquid nitrogen.  Heat sensitive metabolites, isomers and complex molecules retain their composition as they are not degraded by heat or pressure.  Grinding vial sets are offered in a variety of materials including polycarbonate, stainless steel, and low-chrome steel.  Optional auto-fill system is available to automatically fill the bath with liquid nitrogen.

  • Typical Applications: DNA/RNA extraction, forensic/drug testing, RoHS/WEEE, consumer product testing, food safety, materials research & medical research
  • Typical samples include: Animal tissue, plastic and polymers, yeast, pharmaceuticals, food products, electronic components, textiles, hair, teeth, bones, plant tissue such as cannabis, seeds, leaves and roots.
  • Equipped with liquid nitrogen level sensor, insulated case and lid safety interlock switch for operator protection.  Liquid nitrogen required for operation.
  • Grinding chamber holds one large grinding vial, one mid-size vial, four standard grinding vials or four microvial sets.
  • Auto-Fill System available for automated filling with liquid nitrogen. Order model number 6875A Freezer/Mill.
  • Touch screen stores up to 20 user-defined grinding programs for easy quick recall. Also includes run history, training videos, manuals and accessories.
  • Maintenance-free design with only one moving part.
  • 3-year warranty
Dimensions 20.5 in (52cm) x 21.5 in (55cm) x 18 in (46cm)
Voltage 115V/60Hz or 230V/50Hz
Net Weight 44 lbs (20 kg)
Power Cord 3-prong grounded plug, 115V 60Hz or 2-prong European plug, 230V / 50Hz
Timer/Controls Touch-screen programmable controls for grinding cycles, time, impact rate, pre-cooling and cooling times. Stores 20 grinding programs.
CE Approved Yes

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