A Laminar Airflow Workstation, often referred to as a laminar flow hood or clean bench, is a piece of equipment used in laboratories and other controlled environments to provide a sterile and particle-free work area. It operates on the principle of directing filtered air in a smooth, unidirectional flow to minimize the risk of contamination during sensitive processes. There are two main types of laminar airflow workstations: horizontal flow and vertical flow.
Horizontal Laminar Flow Hood:
- Airflow Direction: In a horizontal laminar flow hood, the filtered air flows horizontally from the back of the hood toward the front, creating a clean workspace on the work surface.
- Applications: It is commonly used for activities that require a clean and particle-free environment, such as microbiological work, cell culture, and precision electronics assembly.
Vertical Laminar Flow Hood:
- Airflow Direction: In a vertical laminar flow hood, the air flows vertically from the top of the hood to the work surface. The downward airflow helps prevent contaminants from settling onto the work surface.
- Applications: Vertical laminar flow hoods are often used for activities where the risk of contamination from the environment is a concern, such as handling sterile materials or conducting procedures with potential biohazards.
Key Features and Components:
- HEPA or ULPA Filters: Laminar airflow workstations use high-efficiency particulate air (HEPA) or ultra-low penetration air (ULPA) filters to remove airborne particles and contaminants.
- Blower Unit: The blower unit creates the laminar airflow by drawing air through the filters and directing it in a uniform flow pattern.
- Work Surface: The work surface is typically made of stainless steel and serves as the area where the work is conducted. It remains under the constant flow of filtered air.
- UV Light: Some laminar flow hoods have built-in ultraviolet (UV) lights to further sterilize the work area when the hood is not in use.
- Control Panel: The control panel allows users to adjust airflow velocity, control lighting, and monitor the status of filters.
Outside Dimensions : 32 x 74 x 75
Inside Dimensions : 19 x 71 x 28
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