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How to differentiate between a clean bench and a biological safety cabinet
How to differentiate between a clean bench and a biological safety cabinetI. SimilaritiesThe purification bench and biological safety cabinets are the main building blocks or performance to maintain the work area as a clean environmental space up to level 100. This air purification system is composed of fans, ducts, and high-efficiency filters, the main working principle is that the fan indoor air inhalation, through the static pressure box through the high-efficiency filter filtration, the filtered air to the vertical or horizontal airflow state sent out, so that the operating area continues to reach the clean air under the control of the cleanliness of the 100 level. II. Differences Purification workbench is only to create a clean local environment, clean air through the operating area will also be sent to the indoor. If the experiment has produced pollutants will contaminate the entire laboratory. Biological safety cabinets and clean bench compared to an external air box system, this system is mainly composed of fans and air ducts, The working principle is that the external fan will be the safety cabinet contaminated air extraction and filtration and purification, due to the formation of a negative pressure inside the external biological safety cabinets, the air inside the workspace will not be leaked, you can effectively prevent some of the pollutants produced in the course of the experiments or hazardous biological particles on the operators and laboratory Hazardous. A biosafety cabinet is not only clean laboratory equipment but also safety protection equipment. |
