In all kinds of laboratories, the types of laboratory freezer are used so that chemicals, laboratory materials and medicines do not spoil or perish and stay usable. If the materials named are kept in ordinary freezers, it causes many problems such as contamination with various bacteria, the spread of biological toxins and biological contamination. To prevent such problems, laboratory freezers are used. These devices exist in freestanding, bench-top and small models and are used in different laboratories, research centers and hospitals. In this article we look at the types of laboratory freezers and their applications. If you need information before buying a laboratory freezer, stay with us.
1Features of laboratory freezers
The first feature of this device is that when the freezer door is opened, the fan is switched off so that less cold air comes out to the surroundings, and this is because of the circulation fan in it. This prevents wasting energy and keeps the temperature inside the chamber constant. The way the air circulates inside the inner chamber is another feature of this device. Inside the laboratory freezer the air circulation is such that cold air is present throughout the chamber uniformly and at one temperature. The range of temperature accuracy inside this type of freezer is about 0.3 degrees Celsius. This feature has made laboratory-type freezers the best choice for laboratories. The -20 degrees Celsius laboratory freezer is used in most clinical laboratories to keep the following unstable samples:
- FFP
- Antisera
- Polyclonal
- Monoclonal antibodies
- Beta-lactam antibiotic disks
The -70 degrees Celsius freezer is used in laboratories that do molecular tests.
2Construction of laboratory freezers
The chamber of the laboratory-type freezer is stainless steel. The laboratory-type deep freezer has a powerful processor and has an HMI indicator. The temperature range wanted by users, low noise, the size and use of the shelves and the space for different uses, adjustment of accuracy, and being equipped with an LED screen to see the alarm figures and the temperature are features of laboratory freezers that designers keep in mind.
3Features of laboratory freezers
The features of the laboratory-type freezer are the ability to extract data logger information, being equipped with an air circulation system so that the temperature inside the freezer does not change when its door is opened, being able to see the materials inside without opening the door, the presence of a warning system, recording of temperature data and events from the warning system and the data logger, and an air circulation system (which keeps the temperature uniform inside the chamber).
4How to use a laboratory freezer
The laboratory-type freezer must be placed on a level surface and in a cool place without sunlight. For the air to flow well there must be free space around the freezer. The temperature of the freezer must be controlled between 2 and 8 degrees Celsius.
5Buying guide for the laboratory freezer
The laboratory-type freezer is used for keeping different samples, materials and products in medical and scientific laboratories. When buying these devices attention must be paid to compliance with standards, design and temperature capabilities. The laboratory freezer is used to keep the sources named safe against temperature and all kinds of contamination. This type of device is built in different types.
Read alsoTypes of laboratory incubator [buying guide]Under-counter laboratory freezer
In laboratories that face a shortage of space, the under-counter freezer is used. This model of freezer fits easily in small spaces such as under a counter. The standard temperature of this model of freezer is between four and ten degrees Celsius. It comes in four cubic feet and two and a half cubic feet. Its models include the following options:
- Glass doors
- Built-in
- Free-standing
Upright laboratory freezer
This model of standard freezer exists in different sizes and has the following specifications:
- Smart microprocessor controller
- A security system
- Digital display
Low-temperature laboratory freezer
Different temperatures are used for keeping all laboratory materials and samples, and there is no universal temperature for such products. The temperature of laboratory freezers differs. A temperature between -10 and -45 degrees Celsius is the temperature of the low-temperature laboratory-type freezer.
Ultra-low-temperature laboratory freezer
This type of freezer has a temperature between -50 and -86 degrees. The features of this model of device include the following options:
- A digital display screen protected by a password
- A power failure alarm
- A sensor failure alarm
- A rapid cooling system
Read alsoWhat is a laboratory oven? Types of laboratory oven6Accessories and features of laboratory freezers
To protect the temperature and security of laboratory freezers, these devices have different settings and features. Some features of these devices have reduced the need to open the door of the device, so that there is no risk to the temperature inside the freezer. For example, to take a sample or laboratory product out of the freezer you can use the glass door installed on the top surface of the freezer. To know and read the exact temperature, the device has a thermometer. Other accessories of the pharmaceutical laboratory-type freezer include the following options:
- Wireless temperature display
- Data recording
- Audible alarm system
7Uses of laboratory freezers
The laboratory freezer is more specialized than the home freezer and is used in laboratory and medical settings. It is used in hospitals for keeping blood and blood derivatives. It is used in laboratories for keeping laboratory samples. Parts manufacturers in industry use laboratory freezers, according to their own test standards, to keep the parts they produce. In terms of temperature, these devices are built in the following types:
- -70 degrees Celsius
- -40 degrees Celsius
- -20 degrees Celsius
Special laboratory materials that need more careful keeping must be placed inside the laboratory freezer, because this device has a temperature-controlled chamber and protects the products and test samples well.
Closing words
Using laboratory freezers to keep laboratory samples is important. This device has a temperature-controlled chamber and stops samples and laboratory products from spoiling and keeps them safe. So that you can choose the best model of these devices, the buying guide for the laboratory freezer has been described to you in this article.
