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Ultra-Low Freezers


-80°C Lab Freezers (Ultra-Low Freezers)

Ultra-Low Freezers

Thermo Scientific’s ultra-low temperature freezers (ULT) combine high reliability and superior performance with cost-effective operation, energy savings, and sustainability.

Maximize storage capacity with upright and chest freezers to accommodate a variety of laboratory footprint requirements. Additional features include energy-savings models that meet today’s sustainability demands.

Protect your samples with the right, energy-efficient ultra-low temperature freezers. Choose from our TSX, TDE or Performance platforms.

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Which ULT freezer best fits your needs?

TDE Series Ultra-Low Temperature Freezers Premium (TSX) ultra-low freezers
TDE Series Ultra-Low Temperature Freezers Premium (TSX) ultra-low freezers
Exceptional performance for everyday assurance. Protect your precious samples and reduce your energy costs with an ultra-low temperature freezer that’s built to last. Peace of mind protection for precious samples. Because your focus should be your discoveries. Our focus is keeping them safe. Our TSX ultra-low temperature freezers provide prime protection, even in the most taxing conditions.
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Daily energy consumption as low as 11.2 kWh/day as low as 7.9 kWh/day
Door opening recovery as low as 14 min as low as 17 min
Heat rejection (HVAC load) Low Lowest
Sound Quiet Most quiet
Cooling technology 2-stage single speed compressors
Powered by H-Drive
2-stage variable speed compressors
Powered by V-Drive
System refrigerants Natural HC1 Natural HC1
Upright freezer storage capacity 300–600 boxes2 400–700 boxes2
User interface HIC: Touch button controller VIC: Touchscreen
Certifications UL, cUL, CE, RoHS, FDA Class II, ENERGY STAR®3 UL, cUL, CE, RoHS, ENERGY STAR®
Outer doors Single Single
U.S. EPA SNAP compliant
EU F-Gas compliant
Soft grip handle
Thin wall high density storage
On-board event/temp. recording

(service only)

Remote monitoring compatible
Access/user setting controls
USB port for data download

(service only)

Setpoint security
Access key/card control options
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1. Natural hydrocarbon (HC) refrigerants: Environmentally friendly, low global warming potential (GWP), SNAP approved.
2. 2-inch (5cm) high boxes
3. On select 600 box STP models