What is an ultra low temperature freezer?

An ultra-low temperature freezer, also known as a ULT freezer, typically has a temperature range of -45°C to -86°C and is used for the storage of drugs, enzymes, chemicals, bacteria and other samples.

Low temperature freezers are available in various designs and sizes depending on how much storage is needed. There are generally two versions, an upright freezer or a chest freezer with access from the upper part. An upright ultra-low freezer gives easy access for frequent use and a chest ultra-low freezer allows for long-term storage of less frequently used items. The most common type is the upright freezer as laboratories are frequently looking to save space and make layouts more accessible.

How does an ultra-low temperature freezer work?

An ultra-low freezer can be a single high-power compressor hermetically sealed or two cascade compressors. The two cascade solution is two refrigeration circuits connected so that the evaporator of one cools the condenser of the other, facilitating the condensation of the compressed gas in the first circuit.

Air-cooled condensers are generally used in laboratory ultra low freezer systems. They consist of tubular batteries (copper or copper-aluminum) arranged to provide as much surface heat transfer as possible. The circulation of the cooling air is forced by an engine driven fan and the expansion of the refrigerant fluids is obtained by capillary tubes.

Evaporation takes place through steel plate heat exchangers, located inside the chamber, or by a coil. The coil in the cabinet eliminates the efficiency issue in the heat exchange of freezers with the coil in the insulation cavity.

Where is the ultra-low freezer used?

Low temperature freezers can be used for a wide range of applications for biological and biotech storage in research universities, medical centers and hospitals, blood banks, forensic labs and more.

An ultra-low freezer can specifically be used to store biological samples including DNA/RNA, plant and insect samples, autopsy materials, blood, plasma and tissues, chemicals drugs and antibiotics.

Furthermore, manufacturing firms and performance testing labs often use an ultra-low temperature freezer to determine the ability of products and machinery to perform reliably under severe low temperature conditions, such as those found in the artic regions.

Why Choose a Carebios Ultra Low Temperature Freezer?

There are a multitude of benefits when buying a Carebios freezer mainly that they protect the Sample, the User and the Environment.

All of Carebios’s low temperature freezers are manufactured and approved by CE certificate. This means that they perform efficiently, saving the user money as well as helping the environment by keeping emissions low.

In addition, Carebios’s Freezers have a fast recovery time and quickly return to the desired temperatures in instances such as if someone has the door open. This is important because it prevents samples being ruined if they stray from their intended temperature.

Furthermore, Carebios low temperature freezers offer peace of mind with security back-ups and alarms. This can be extremely helpful in case someone has accidently unplugged a freezer that is in use. This would be a disaster as the samples inside would be ruined, however with a Carebios freezer the alarm would sound to alert the user that it had switched off.

Find out more about Carebios’s Low Temperature Freezers

To find out more about the low temperature freezers that we offer at Carebios or to inquire about anUltra low temperature freezer price, please don’t hesitate to get in touch with a member of our team today.