Class I provides protection for the user and surrounding environment, but no protection for the sample being manipulated.
Class II provides protection for the user, environment and sample, and is divided into four types: A1, A2, B1 and B2.
The main differences are their minimum inflow velocities and exhaust systems..
Make sure the work surface, interior walls, and the surface of the window are disinfected.
Also, the UV germicidal lamp is a valuable ally, but should not be solely relied on to provide a clean and disinfected work area.
This goes for your work materials as well..
Decontamination and Cleaning
One method is to use a 1:10 fresh bleach solution followed by a 70% ethanol rinse to avoid corrosion and achieve good disinfection.
Contact EHS if you need a bleach alternative.
Reaching the back and sides of the biosafety cabinet can be difficult..
The service procedures recommended by Haier and described in this service manual are effective methods of performing service operations.
Some of these service operations require the use of tools specially designed for the purpose.
