What protection can the secondary biosafety cabinet provide?

Can provide protection for workers, the environment and products.

The secondary biosafety cabinet is the cabinet type currently used. According to the regulations in "People's Republic of China (PRC) ** * and National Bio-safety Cabinet Standard YY0569-2005 Bio-safety Cabinet", the secondary bio-safety cabinets are divided into four grades according to air inlet speed, air exhaust mode and circulation mode: A 1, A2, B 1 and B2. All secondary biosafety cabinets can provide protection for workers, environment and products.

Functions of biosafety cabinet:

Biosafety cabinets are mainly designed to protect operators, laboratory environment and experimental materials from exposure to infectious aerosols and spills that may be generated in the above operations when operating infectious experimental materials such as primary cultures, strains and diagnostic specimens.

According to the different requirements of biological research and epidemic prevention, biosafety cabinets can be divided into three categories: first, second and third. A kind of biosafety cabinet can protect workers and the environment without protecting samples. The second-class biosafety cabinet is also widely used now, which not only has the function of the first-class product, but also ensures that the experimental products are not polluted by the outside air. All secondary biosafety cabinets can provide protection for workers, environment and products.

Refer to the above content: Baidu Encyclopedia-Level II Biosafety Cabinet