Overview
Liebherr's ultra-low temperature freezers are designed for reliable sample storage, offering state-of-the-art refrigeration technology with climate-neutral refrigerants and low energy consumption. These freezers are ideal for laboratories and scientific institutions, providing safety, performance, and ease of use.

Specifications
The freezers operate in a temperature range of -40 °C to -86 °C and feature a cascade cooling system with HC refrigerants, ensuring low heat emission and energy consumption. They are equipped with an electronic controller, external digital temperature display, and interfaces for remote monitoring, including LAN (Ethernet) and USB.

Design and Features
The interior is made of rust-proof stainless steel, with adjustable storage shelves for flexible storage solutions. The freezers include detachable inner doors to minimize cold air loss, a pressure relief valve for easy door opening, and a mechanical key lock for security.

Safety and Monitoring
A three-stage monitoring system provides alarm notifications for temperature, door, or mains faults. In case of power failure, integrated 12-volt batteries supply power to the controller. Optional CO2 emergency cooling and online monitoring enhance protection.

Energy Efficiency
These freezers are among the most economical models, with highly insulating vacuum panels and efficient cooling systems that ensure low operating costs and minimal temperature fluctuations.

Accessories
Available accessories include cryoboxes for sample storage, stainless steel storage shelves, racks for cryoboxes, and a CO2 backup system for extended cooling during power outages.

Models
The SUFsg 5001 and SUFsg 7001 models offer different capacities and dimensions, with options for air or water cooling. Both models feature robust construction, integrated unloading ramps, and replaceable door seals.

Conclusion
Liebherr's ultra-low temperature freezers provide a reliable and efficient solution for sample storage, combining advanced technology with practical features to meet the demanding requirements of research facilities.