DF 490 -86°C Low-Temperature Deep Freezers

DF 490 -86°C Low-Temperature Deep Freezers

Model DF 490

Technical Specifications: 

– Capacity: 461 liters

– Minimum temperature: -86 °C (At 20 °C ambient)

– Temperature set range: -55oC to -90oC

– Temperature limit range: -55oC to -86oC

– Temperature reading and setting sensitivity: 1oC

– Temperature sensor: Pt-100

– Temperature alarm range: +5°C to+25°C

– Control System: Programmable Microprocessor N-Smart™

– Display: 4.3inch Colourful TFT LCD display (Unaffected by a power failure)

Control cooling system: DirectFREEZE™ direct cooling

– Power failure alarm: audible and visual

– Door open alarm: Audible and visual

– Alarm feeding system:12 hour battery with automatic charging

– Independent cell/ Inner insulation door: 3/ 3

– Noise level: < 65dB

– Isolation (CFC Free): High density injected polyurethane (130 mm)

– Gasket structure: Heated sealing surface

– Refrigerant gas: R507a-R 508b

– Circular temperature recorder: options

– Central Alarm Output: standard

– Wheel System: 4 wheel, 2 fixation foot

DF 490 -86°C Low-Temperature Deep Freezers

      • 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
      • 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
      • Audible and visual alarm system
      • Alarm system fed by a permanently recharged battery
      • Display of actual temperature even at power failure
      • Optional battery-operated 7- day chart recorder
      • Optional AlerText™ SMS alarm system for ultimate security
      • Optional NuveWarn™ remote alarm system
      • Optional CO2 back-up system to extend protection in case of failure
      • Equipped with NuveCom™ communication unit
      • Equipped with Wi-Fi connection for N-Mobile™
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DF 490 -86°C Low-Temperature Deep Freezers