Stirling Ultra-Low Freezers

Stirling Ultra-Low Freezers

Ultra-low temperature freezers are ideal for storing valuable laboratory materials such as biological samples, vaccines, enzymes, viruses, bacteria, cell preparations, and tissue samples.

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Ultra-low freezers come in various sizes and designs. Laboratories can choose from designs such as ULT chest freezer, upright ULT freezer, and ULT bench-top freezer. Your ultra-low temperature freezer size can depend on how much storage is required and the available footprint space in the lab.

Stirling Ultracold offers ultra-low temperature freezers that are innovative -with deliver best-in-class service. With a reputation that you can trust, Stirling Ultracold freezers store samples efficiently with precise control.


Model ULT25NEU

Uniquely Portable and Reliable Ultra-Low Temperature Storage

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The ULT25NEU is the only truly portable ultra low temperature (ULT) freezer available today for bringing cold chain samples and biological products to patients at clinic remote sites. It provides safe and reliable ULT freezer storage in the field and on the go, so you can:

  • Safely preserve and deliver biologics at the clinical point of patient care, anywhere in the world
  • Collect temperature-sensitive samples and specimens at remote clinical trials
  • Easily deploy long-term storage of viable biological materials, anywhere there is a power outlet with portable Sterling ULT freezers

Temperature control and handling limitations of dry ice storage can risk the viability of your valuable samples in the field, while compressor-based freezers are too unwieldy and unreliable for deployment at remote sites. The revolutionary ULT25NEU ultra-low temperature freezer was designed to solve these problems. With its compact and field-proven, free-piston Stirling engine technology, it brings portable, precisely controlled ULT freezer storage anywhere there is a need for patient care, testing or specimen collection.

But this portability and small footprint does not come with compromise. The ULT25NEU freezer is a 25-litre (0.9 cu. ft.) capacity ULT freezer with the same performance and reliability of Sterling's larger undercounter and upright ultra-low temperature freezer models.


Built for Clinical and Health Care Markets

LIGHTWEIGHT AND EASY TO SHIP
Weighing only 46 lbs. (21 kg), the ULT25NEU can easily and inexpensively be shipped anywhere in the world.

REMOTELY MONITOR FREEZER PERFORMANCE
The ultra-low temperature freezer unit is available with optional SenseAnywhere technology, which combines wireless sensors and secure cloud storage, to easily monitor and track ULT temperatures from anywhere 24/7.

PLUG IN ANYWHERE
The ULT25NEU plugs into any 110V–240V outlet, worldwide, and can even run on 12V DC power with an automotive adapter.

WIDEST TEMPERATURE RANGE
Safely store valuable samples at ultra-low temperatures from -20°C to -86°C.

SMALLEST FOOTPRINT, SURPRISINGLY BIG CAPACITY
The ULT25NEU holds 18 2-inch boxes in a portable and lightweight 25-litre (0.9 cu. ft.) size, made possible by Sterling's breakthrough ULT technology.

ULTRA-LOW POWER CONSUMPTION
Designed for space and energy efficiency, the ULT25NEU ultra-low temperature freezer uses less than 2.8 kWh/day at -80°C.

100% NATURAL REFRIGERANTS
Sterling's portable ULT freezer uses natural refrigerants, which are more environmentally sustainable and eliminate the need for special export shipping classifications.

DESIGNED FOR TODAY’S NEW ERA OF SCIENTIFIC INNOVATIONS
Built for portability and reliability, the ULT25NEU ultra-low temperature freezer is ideal for providers of regenerative biologics, and related products who need safe, long-term storage of temperature-sensitive samples at multiple remote clinical sites.

PDFModel ULT25NEU Product Information Sheet

PDFModel ULT25NEU Datasheet


Model SU105UE

Undercounter ULT Freezer with a Space-Saving Design for Remote Clinical Trials

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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:

  • A space-saving design that doesn’t compromise storage capacity
  • A wide temperature range for transitioning biological materials to warmer temperatures
  • Secure, personalized storage in clinical settings

This stackable model uses the revolutionary free-piston Stirling engine technology found in Sterling's SU780XLE upright freezer, offering a highly reliable ULT storage solution with only a few moving parts, no oil and no compressors.

Ideal for Research Labs and Clinical Trials Where Space Is Limited

COMPACT, LIGHTWEIGHT AND FLEXIBLE
The unit’s efficient 3.7 cu.ft. (105 L) interior cabinet, matched with a small exterior footprint, saves space in the lab while providing ample storage capacity. Its lightweight design allows for easy stackability or undercounter placement.

PLUG IN ANYWHERE
The SU105UE plugs into any 110V–240V outlet, worldwide, eliminating expensive conversions.

WIDEST TEMPERATURE RANGE
Safely store valuable samples from -86°C to -20°C.

REMOTELY MONITOR FREEZER PERFORMANCE
The unit is available with optional SenseAnywhere technology, which combines wireless sensors and secure cloud storage, to easily monitor and track ULT temperatures from anywhere 24/7.

ULTRA-LOW POWER CONSUMPTION
Designed for space and energy efficiency, the SU105UE uses less than 4 kWh/day at -80°C.

100% NATURAL REFRIGERANTS
Because it uses 100% natural, SNAP-compliant refrigerants, the SU105UE is environmentally sustainable.

MINIMIZE MAINTENANCE
Since the SU105UE has no compressor, it uses no oil and requires virtually no maintenance.

PDFModel SU105UE Product Information Sheet

PDFModel SU105UE Datasheet

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