CG-500 Freezer/Mill

Dual-Chamber Cryogenic Grinder

The CG-500 Freezer/Mill® (part #6875D), is a high-throughput, dual chamber, cryogenic grinder.  It accommodates samples in the 0.1 gram to 200 gram range (100 per grinding chamber).  Each grinding chamber can hold one large grinding vial, one mid-size vial, four standard 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 offered in a variety of materials including polycarbonate, stainless steel, and low-chrome steel.

  • 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

Freezer/Mill® Cryogenic Grinders

Some samples are impossible to grind at ambient temperatures. The Freezer/Mill is a programmable cryogenic grinder specifically designed for milling and grinding of tough or temperature sensitive samples. Samples are placed in sealed cryogenic grinding vials then immersed in liquid nitrogen (LN). The samples are cooled to cryogenic temperatures then ground by a magnetically shuttling impactor.

* Product shown will be rebranded to Cole-Parmer*

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  • Maintenance-free design with only one moving part.
  • Auto-Fill System for automated filling of liquid nitrogen.
  • Equipped with liquid nitrogen level sensor, insulated case and lid safety interlock switch for operator protection.  Liquid nitrogen required for operation.
  • Grinds samples in the 0.1-200 gram range. Each grinding chamber can hold one large grinding vial, one mid-size vial, four standard grinding vials or four microvial sets.
  • Touch screen stores up to 20 user-defined grinding programs for easy quick recall. Also includes run history, training videos, manuals and accessories.
  • Additional pre-cooling chambers to increase sample throughput.
  • 3-year warranty
Dimensions 20 in. (50.8 cm) x 21½ in. (53.34 cm) x 25½ in. (64.77 cm)
Voltage 115V/60HZ or 230/50HZ
Net Weight 75 lbs (34 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
Part number 6875D

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