HOT SALE SPEX SamplePrep 6875 Dual-Chamber Cryogenic Grinder Lab. It is in good cosmetic condition and powers on with fully tested.

The SPEX SamplePrep 6875D Freezer/Mill is a high-throughput, dual-chamber cryogenic grinder designed to pulverize tough, temperature-sensitive, or elastic samples. By continuously immersing samples in liquid nitrogen (LN) and using magnetically driven impactors, it prevents sample degradation, volatile loss, and cross-contamination.

Key Lab Specifications

• Sample Capacity : 0.1 grams to 200 grams (up to 100 grams per grinding chamber).
• Grinding Mechanism : Magnetically driven steel impactors.
• Vial Options : Accommodates one large vial, one mid-sized vial, up to four small vials, or four microvial sets per chamber.
• Temperature Control : Samples remain submerged in liquid nitrogen throughout the grinding cycle.
• Interface : Programmable touch-screen controller that stores up to 20 custom grinding programs (including cycles, cooling times, and impact rates).
• Liquid Nitrogen Consumption : ~20–25 liters for initial cool-down and bath filling; 4–8 liters per hour during operation.
• Safety Features : Built-in lid safety interlock and an LN level sensor that monitors coolant.
• Dimensions & Weight : 21.5 in (55 cm) × 20.5 in (52 cm) × 18 in (46 cm). Weight is approximately 44 lbs (20 kg) empty.
• Power Requirements : Available in 115 V (60 Hz) or 230 V (50 Hz) models.