Thermo Scientific TSU400A Upright Ultra-Low Temperature Freezer −85°C Capacity 28.8 cu ft

The Thermo Scientific TSU400A is a high-performance *upright ultra-low temperature freezer* designed for reliable long-term storage of biological and chemical samples at temperatures ranging from −50 °C to −85 °C. Widely utilized in research laboratories, clinical diagnostics, and biobank facilities, this ULT freezer features advanced insulation technology combining *vacuum-insulated panels* with *water-blown foam* to drastically reduce heat intrusion and ensure uniform cabinet temperatures.

Key features include:

• Capacity: Available in 28.8 cu ft (815 L) or 19.4 cu ft (548 L) models supporting 60,000 or 40,000 vial capacity respectively, suitable for large-scale biotechnology and molecular diagnostics storage demands.
• Space-Efficient Design: Compact footprints of 11.38 sq ft (1.06 sq m) or 8.46 sq ft (0.79 sq m) optimize laboratory floor space without sacrificing volume.
• Temperature Stability: Insulated inner doors and reinforced shelving minimize temperature fluctuation during frequent sample access, critical for preservation in live-cell imaging and synthetic biology workflows.
• User Interface: Integrated touchscreen controller enables real-time monitoring of temperature history, alarm management, and event logging with USB export for compliance documentation and research audit trails.
• Energy and Performance Modes: Dual operating configurations provide flexibility for laboratories prioritizing either energy efficiency or cooling performance, adaptable to diverse bioprocessing requirements.
• Validated Performance: Each unit undergoes third-party temperature validation, confirming consistent maintenance of target ultra-low temperatures for over 24 hours, ensuring security in biomanufacturing and gene editing reagent storage.

Power specifications include options for 208-230 V, 60 Hz, 9 amps or 115 V, 60 Hz, 16 amps, supporting standard laboratory electrical systems. The freezer’s robust construction and temperature precision make it *critical equipment* in synthetic biology research centers, molecular cloning workflows, and biopharmaceutical production pipelines.

This TSU Series freezer supports essential biotechnological and clinical applications requiring stringent temperature-controlled environments, making it a popular choice among molecular biology researchers and biomedical engineers for *ultra-low temperature storage* of sensitive biomaterials.