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6875D Freezer/Mill® Dual Chamber Cryogenic Grinder

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6875D Freezer/Mill® Dual Chamber Cryogenic Grinder

The 6875D Freezer/Mill® is a high-throughput, dual chamber cryogenic grinder with a self-contained liquid nitrogen tub and insulated case. It is specifically designed for cryogenic grinding of tough and/or temperature sensitive samples. The mill cools samples to cryogenic temperatures, then pulverizes them by magnetically shuttling a steel impactor back and forth against two stationary end-plugs. Since the vial is closed, the integrity of its contents is maintained, hazardous or critical samples are easily controlled, cleanup is simplified and cross-sample contamination is eliminated. The new high resolution display is user-friendly and includes the following features:

  • Run history which is uploadable to a thumb drive via USB
  • Training videos and manuals that can be viewed on the screen. 
  • A complete listing of accessories

Applications include: DNA/RNA extraction, THC extraction, protein extraction, forensic testing, materials testing, pharmaceutical analysis, drug testing, RoHS/WEEE and volatiles extraction.

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.

6870D Freezer/Mill®-High Throughput Cryogenic Grinder

The 6870D Freezer/Mill® is a high-throughput, dual chamber cryogenic grinder with a self-contained liquid nitrogen tub and insulated case. It chills samples in liquid nitrogen then pulverizes them with a magnetically driven impactor. It accommodates samples in the 0.1 gram to 100 gram range per grinding chamber.
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  • Features
  • Specifications
  • Accessories
  • Application Notes
  • Brochures
  • Magnetically driven impactor is the only moving part so there are no mechanical linkages or bearings to fail.
  • Auto-Fill System available for automated filling with liquid nitrogen.
  • Liquid nitrogen required for operation. Equipped with liquid nitrogen level sensor, insulated case and lid safety interlock switch for operator protection.
  • Grinding Vial Sets offered in a variety of materials including polycarbonate, stainless steel, and Cr-free steel.
  • 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.
Dimensions 20 in. (50.8 cm) x 21½ in. (53.34 cm) x 25½ in. (64.77 cm)
Voltage 115V/60HZ or 230/50HZ
Weight 78 lbs. (35.38 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


Return to Accessories List Clear Filters
PART # NAME
ACCESSORY PACKAGES & KITS
6870L (6870L) LARGE GRINDING VIAL ACCESSORY PACKAGE View Details
EXTRACTORS
6753C (6753C) SAMPLE EXTRACTION TOOL View Details
6754 (6754) SMALL EXTRACTOR/VIAL OPENER View Details
6756 (6756) EXTRACTOR FOR SMALL VIALS View Details
6758 (6758) EXTRACTOR FOR MICROVIALS View Details
6804 (6804) LARGE EXTRACTOR/VIAL OPENER View Details
6808 (6808) LARGE VIAL EXTRACTOR View Details
LIQUID NITROGEN HANDLING
54006 (54006) DIFFUSER View Details
6900L (6900L) CRYOGENIC GLOVES, SIZE LARGE View Details
6900M (6900M) CRYOGENIC GLOVES, SIZE MEDIUM View Details
6900S (6900S) CRYOGENIC GLOVES, SIZE SMALL View Details
6900XL (6900XL) CRYOGENIC GLOVES, SIZE EXTRA LARGE View Details
6906 (6906) SHORT CRYOGENIC TRANSFER HOSE, 4 FT (1.2 M) View Details
6907 (6907) LONG CRYOGENIC TRANSFER HOSE, 6 FT (1.8M) View Details
RACKS & HOLDERS
6755 (6755) VIAL RACK FOR SMALL GRINDING VIALS View Details
6805 (6805) VIAL RACK FOR LARGE GRINDING VIALS View Details
SAMPLE ADAPTERS
6807 (6807) MULTI-VIAL HOLDER FOR SMALL & MICRO VIALS View Details
6808M (6808M) MID-SIZE VIAL ADAPTER KIT View Details
6870M-1 (6870M-1) MID-SIZE VIAL ADAPTER PACKAGE View Details
6887 (6887) MID-SIZED VIAL ADAPTER View Details
6888 (6888) MID-SIZE VIAL ADAPTER-CLOSED END View Details
VIALS AND VIAL SETS
6751 (6751) SMALL GRINDING VIAL SET View Details
6751C20 (6751C20) SMALL POLYCARBONATE CENTER CYLINDER View Details
6751C4 (6751C4) SMALL POLYCARBONATE CENTER CYLINDER PACK OF 4 View Details
6751E (6751E) SMALL STAINLESS STEEL END PLUGS View Details
6751P (6751P) SMALL STAINLESS STEEL IMPACTOR View Details
6757 (6757) MICROVIAL SET View Details
6757C3 (6757C3) MICROVIAL CYLINDER View Details
6757P (6757P) MICROVIAL IMPACTOR View Details
6759 (6759) MICROVIAL HOLDER View Details
6761 (6761) SMALL POLY-VIAL SET View Details
6761E (6761E) SMALL POLYCARBONATE END PLUGS View Details
6761P (6761P) SMALL POLYCARBONATE ENCAPSULATED IMPACTOR View Details
6771 (6771) SMALL CR-FREE GRINDING VIAL SET View Details
6771E (6771E) SMALL CR-FREE STEEL END PLUGS View Details
6771P (6771P) SMALL CR-FREE STEEL IMPACTOR View Details
6781S (6781S) STAINLESS STEEL GRINDING VIAL SET View Details
6801 (6801) LARGE GRINDING VIAL SET View Details
6801C20 (6801C20) LARGE POLYCARBONATE CENTER CYLINDER
PACK OF 20
View Details
6801C4 (6801C4) LARGE POLYCARBONATE CENTER CYLINDER - PACK OF 4 View Details
6801E (6801E) LARGE STAINLESS STEEL END PLUGS View Details
6801P (6801P) LARGE STAINLESS STEEL IMPACTOR View Details
6802 (6802) LARGE STAINLESS STEEL CENTER CYLINDER View Details
6803 (6803) LARGE STAINLESS STEEL VIAL SET View Details
6870S (6870S) GRINDING VIAL ACCESSORY PACKAGE View Details
6871 (6871) LARGE CR-FREE GRINDING VIAL SET View Details
6871E (6871E) LARGE CR-FREE STEEL END PLUGS View Details
6871P (6871P) LARGE CR-FREE STEEL IMPACTOR View Details
6881 (6881) MID-SIZE GRINDING VIAL SET View Details
6881C20 (6881C20) MID-SIZED POLYCARBONATE CENTER CYLINDER PACK OF 20 View Details
6881C4 (6881C4) MID-SIZE POLYCARBONATE CENTER CYLINDERS View Details
6881E (6881E) MID-SIZE STAINLESS STEEL END PLUGS View Details
6881P (6881P) MID-SIZE STAINLESS STEEL IMPACTOR View Details
6883 (6883) MID-SIZE CR-FREE GRINDING VIAL SET View Details
6883E (6883E) MID-SIZE CR-FREE STEEL END PLUGS View Details
6883P (6883P) MID-SIZE CR-FREE STEEL IMPACTOR View Details
6885 (6885) MID-SIZE POLY-VIAL SET View Details
6885E (6885E) MID-SIZE POLYCARBONATE END PLUGS View Details
6885P (6885P) MID-SIZE POLYCARBONATE ENCAPSULATED IMPACTOR View Details