Although Lab freezers may look like freezers used in your home or perhaps slightly bigger than it, they are used to store critical materials, some of which are hazardous. Temperature is important for these critical materials because any temperature change can diminish their effectiveness and this is why lab freezers need to have constant regulated temperatures. 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.
There are many uses of pharmaceutical refrigerators. You can find strong serums and tissue samples, bacteria strains, samples of DNA and RNA, and protein extracts in a lab freezer. These freezers are also used to preserve organs and blood in hospitals, and to keep medicines in pharmacies. 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.
You can also find a general purpose lab freezer at http://z-sc1.com which is similar to a home refrigeration unit. The use of general purpose lab freezers is similar to our home refrigerators where you can place items on shelves inside and on the back side of the door and it protects that cold with the use of a rubber gasket. 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 freezers can be locked and come with an LCD temperature display so that you can keep an eye on the temperature without opening the lab freezer to check.
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 freezers that does not use liquid nitrogen but can reach really low temperature levels of up to -150 degrees Celcius. Get more facts about Freezers at http://www.dictionary.com/browse/freezer.
Flammable materials can also be stored in lab freezers. There are freezers that are designed especially for safe storage of volatile materials that have CFC free, formed-in-place insulation and hermetically sealed compressors. If you are freezing critical biological or life science materials then the freezer should not only comply with OSHA standards but also have alarms, monitors and back up performance features.
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. It is not difficult to maintain blood bank freezers since the shelf life of blood is very short and is important is saving lives.