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
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- 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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