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Thermo Scientific Revco UxF -86 Deg C Upright Ultra-Low Temperature Freezers, 33.5 cu. ft.

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More Samples, Less Freezer Footprint: maximize sample storage capacity while minimizing the freezer's physical space inside the lab
Performance: features an outstanding BTU (British thermal unit) reserve. This leads to fast door recovery times so that sample integrity isn’t compromised†
Energy-Efficiency: allow you to save up to 15% in energy usage with the energy-savings mode‡ or choose the high-performance mode for applications requiring ultra-tight temperature uniformity all through an easy-to-use, touch-screen interface
Sample Storage Capacity: available in five sizes, featuring outstanding capacity per footprint specifications.
Safety and Security:  feature an innovative, touch-screen control panel that allows 24/7 monitoring of the freezer''s health provides access to a detailed event log—built-in USB port enables easy downloading of event log reports to a portable drive
New Cabinet + Vacuum Insulation Panel Technology: increases the internal capacity of 2 inch vials up to 4.2 percent‡gain up to 76% more capacity in the same footprint†† with 1mL CryoBank tubes
Choice of Refrigeration: For the strictest tolerances, the high-performance mode provides the tightest temperature uniformity and peak variation††—for most applications, energy-savings mode offers excellent temperature control, plus up to 15% savings on energy usage
Environmentally-friendly, CFC/HCFC free refrigerants
NEW refrigeration system:  with high-efficiency compressors for excellent performance and reliability
Brazed plate heat exchanger for more efficient heat transfer—induction brazed joints to reduce leak potential and improve reliability
Power management system: protects against a wide range of voltage variation and is easily accessible through the touch-screen display
Remote alarm contacts: with 4-20 milliamp output compatible with external alarm and monitoring systems
Two rear access, 1-inch (25mm) ports:  allow for the use of inexpedient probes or instrumentation
On-board data storage: Store up to 15 years worth of temperature and event data on our on-board computer
Easily exchange data: Use the new USB port to download freezer temperature and event log data, or freezer settings from one freezer to another
Easy-to-remove, washable filter: Provides protection against dust on the condenser, which can cause reduced refrigeration performance and increased risk to samples
NEW reinforced shelves: Store up to 278 lbs. of samples (depending on freezer model) on our reinforced, stainless steel shelving
NEW outer door gaskets: 4x7 heated gasket provides four touchpoints of security and seven zones of protection, maximizing cabinet temperature and eliminating frost build-up
NEW inner doors: Five polystyrene insulated inner doors help maintain cabinet temperature during openings and feature embedded rare earth magnets, eliminating exposed latches or magnets
Several optional features including: LN2 and CO2 back-up systems, chart recorder, stainless steel inventory racking solutions and hands-free, proximity-card access system
Certifications: cULus, CE listed
Warranty: Two years parts and labor plus an additional three years compressor parts only (U.S.)