Ultra Low-Temperature Freezers DF 290

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Ultra Low-Temperature Freezers DF 290

Model DF 290

Technical specifications:

    • Capacity (lt.): 261liters
    • Minimum temperature: -86oC (at 20°C to 30°C ambient)
    • Control system: Programmable Microprocessor N-Smart™
    • Data memory: 10 years
    • Safety system: Lockable ON-OFF Switch
    • Display: 4,3” Colourful TFT LCD display (Unaffected by a power failure)
    • Temperature set range: -45°C to -90°C
    • Temperature limit: -55°C to -86°C
    • Temperature reading and setting sensitivity: 1°C
    • Temperature sensor: Pt-100
    • Cooling system: DirectFREEZE™ direct cooling
    • Temperature alarm range: Setpoint +5°C to +25°C
    • Power failure alarm: audible and visual
    • Door open alarm: audible and visual
    • Alarm feeding system: 12 hours battery with automatic charging
    • Independent Cell / Inner insulation door (pcs): 3/3
    • Noise level: < 65dB
    • Isolation (CFC Free): high density injected polyurethane (130 mm)
    • Gasket structure: heated sealing surface
    • Refrigerant gas: R507A-R 508B
    • Internal Surface Material: stainless steel 
    • External Surface Material: Electrostatic powder coated stainless steel sheet
    • Wheel system: 4 wheels, 2 fixation foot
    • Internal Dimensions (W x D x H): 420 x 630 x 995mm
    • External Dimensions (W x D x H): 680 x 975 x 1715
    • Power: 1600W
    • Input: 230V, 50/60Hz


  • DirectFREEZE™: Faster and homogenous freezing through the coils located inside the shelves
  • Powerful and reliable N-Smart™ microprocessor control system
  • Maximum information with highly visible 4,3’’ colorful LCD display
  • Massive data storage with internal memory that stores the records up to ten years with one-hour intervals as digitally and graphically
  • Ethernet port for remote access through the internet
  • Possibility of sending e-mails in case of any failure
  • Optional NuveCloser™ software to access the operating parameters, failure history, memory, and other technical parameters
  • Four independent compartments with insulated doors for decreasing air entry
  • Minimized air exchange on opening reduces ice build-up and protects samples
  • Compartment dimensions match commonly used cryo boxes
  • Washable air filter for simple maintenance and top performance
  • Perfect air tightness with a soft gasket
  • The heated contact surface of the gasket to virtually eliminate icing-up.
  • Chamber made of stainless steel for longer life and shelves made of aluminum for faster heat transfer
  • Epoxy-polyester powder coated stainless steel outer body
  • Foamed-in-place high-density polyurethane insulation
  • Door handle with key lock
  • Key operated mains power switch to protect your samples
  • Audible and visual alarm system
  • Alarm system fed by a permanently recharged battery
  • Display of actual temperature even at power failure
  • Standard remote and central alarm ports
  • Optional battery-operated 7- day chart recorder (option)
  • Optional AlerText™ SMS alarm system for ultimate security (option)
  • Optional NuveWarn™ remote alarm system (option)
  • Optional CO2 back-up system to extend protection in case of failure (option)
  • Equipped with NuveCom™ communication unit (option)
  • Equipped with Wi-Fi connection for N-Mobile™ (option)

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