Compact Ultra-Low Temperature (ULT) Freezer - 105 Litre

The Stirling Ultracold SU105UE undercounter ultra-low temperature (ULT) freezer is ideal for bench-side personal storage or for use in areas where larger-volume ULTs are not suitable. This space-saving freezer delivers full-performance ULT storage for benchtop, stacked or undercounter configurations. Boasting the widest temperature range in the industry, the SU105UE undercounter ULT lab freezer is perfect for warming up samples and biologics in stages. It’s the ideal solution to optimize your laboratory floor plan, offering:

• ± 1°C Steady-state temperature variation over time
• Faster initial pull-down, ambient to -80°C, <6.5 hours
• Fastest door opening temperature recovery, 35 minutes to -80°C (when tested using the ENERGY STAR® Final Test Method door opening procedure)
• Connectivity available to BMS/BAS or 3rd-party monitoring system
• Real-time temperature display
• Largest storage capacity per sq. ft. of floor space
• Plugs into any outlet
• 70-75% less energy than standard compressor-based systems
• Steady State Energy Use < 4 kWh/day at -80°C

Technical Specification

Volume (Litres): 105
Operating Temperature (°C): ‐20 to ‐86
External Dimensions; W x D x H (mm): 864 x 711 x 686
Internal Dimensions; W x D x H (mm): 533 x 432 x 457
Weight (Kg): 100
Insulation: High performance vacuum insulated panels and polyurethane foam using Ecomate®
environmentally friendly, SNAP‐compliant blowing agent
Doors: Outer 1
Shelving: x1 (fixed / removable)
Compartments: 72 x 2” Boxes
Noise (dBA): < 48
Ambient Operating Temperature (°C): +5 to +35
Cooling Engine: Helium charged free‐piston Stirling engine with continuous modulation
Heat Transport System: Gravity driven thermosiphon
Refrigerant R‐170 (Ethane): 30 – 33 grams
Evaporator: Cold wall (inner liner)
Heat Rejection: Finned heat exchanger with forced air cooling

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