105 Litre Compact Ultra-Low Temperature (ULT) Freezer

Introducing the Stirling Ultracold SU105UE undercounter ultra-low temperature (ULT) freezer, the perfect solution for bench-side personal storage or compact laboratory spaces where larger-volume ULTs are not suitable. This space-saving freezer offers full-performance ULT storage in various configurations, including benchtop, stacked, or undercounter setups. With the industry's widest temperature range, the SU105UE undercounter ULT lab freezer allows for staged warming of samples and biologics. Optimize your laboratory floor plan with the following features:

• Steady-state temperature variation over time within ±1°C
• Rapid initial pull-down from ambient to -80°C in less than 6.5 hours
• Quick door opening temperature recovery, achieving -80°C in just 35 minutes (tested using the ENERGY STAR® Final Test Method door opening procedure)
• Connectivity options available for integration with BMS/BAS or third-party monitoring systems
• Real-time temperature display for easy monitoring
• Largest storage capacity per square foot of floor space
• Simple plug-and-play functionality with compatibility for any outlet
• Remarkable energy efficiency with 70-75% less energy consumption compared to standard compressor-based systems
• Steady State Energy Use of less than 4 kWh/day at -80°C

Discover the Stirling Ultracold SU105UE undercounter ULT freezer, a compact yet powerful solution that maximizes storage efficiency and maintains precise temperature control.

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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Product Code Description List Price Offer Price
STIRSU105UE 105 Litre Compact Ultra-Low Temperature Freezer (ULT)
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