Скачать или смотреть What is Pass Box？How Does it Work?

In cleanrooms, airflow and pressure are tightly controlled to maintain a sterile environment. The use of a Pass Box helps minimize the disruption caused by opening doors, which can affect air pressure and introduce contamination. Typically, a Pass Box has two doors—one on the cleanroom side and one on the external side. The system uses either an electronic or mechanical interlock to ensure only one door can be opened at a time. Many Pass Boxes are equipped with HEPA filters, and some also include UV sterilization. When an item is placed inside, the first door is closed, and the HEPA filter activates to remove particles from the air, ensuring cleanliness. Once the filtration or sterilization process is complete, the item can be safely retrieved from the other side.

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