The are many highly critical materials stored in lab freezers although they may seem like the freezers we have at home although slightly bigger perhaps. These lab materials are also to be kept at constant, regulated temperature. Lab freezers comes in different sizes from the extremely small that can fit under any counter, the regular-sized upright freezers which are similar to our home freezers, and the extremely large walk-in freezers. While the lowest temperature of our home freezers reach -10 degrees Celsius, there are lab freezers that are kept at extremely low temperatures of -85 degrees Celsius.
Lab freezers are used for many different purposes. Some of the things you can find in a lab freezer includes serums and tissue samples, samples of DNA and RNA, protein extracts, and bacteria strains. In hospitals, lab freezers are used to preserve organs and blood while pharmacies use their freezers to keep medicines. Some of the specimens that are kept in the lab freezer can degrade over time and so it is important to keep them preserved and stable.
Like your home refrigerator unit, there are also lab freezers that are used for general purpose. And just like a home refrigerator, these lab freezers also have shelves inside and in the doors and in order to prevent the escape of the cold, there are rubber gaskets to protect it. Their temperatures, though, are lower than our refrigerators since theirs is usually kept between -15 to -25 degrees Celsius. while our freezers are only up to -10 degrees Celsius. These lab freezers have to be kept locked to maintain temperature and they also have an LCD display with the temperature reading and this is for the purpose of preventing the opening of the lab freezer to check temperature.
You will find different types of lab freezers for different purposes. There are low temperature freezers that can store thousands of samples in many freezer racks and reach very low temperatures. There are also super low lab freezers which can reach cryogenic temperatures of -150 degrees Celsius without having to use liquid nitrogen.
Flammable materials can also be stored in lab freezers. You can also find freezers that are specially designed for volatile materials. These freezers meet OSHA standards but they need alarms, monitors, and back up features if freezing critical items or high value life science materials.
The blood bank freezer is a important freezer product, and this is used for storing blood and plasma. Since regular freezers temperature cannot be controlled when doors are opened, blood cannot be stored there. Since blood has a very short shelf life, blood bank freezers are durable and require little maintenance.