The light must be switched off when the cabinet is being used, to limit exposure to skin and eyes as stray ultraviolet light emissions can cause cancer and cataracts. Germicidal lamps are usually kept on for fifteen minutes to sterilize the interior before the cabinet is used. Laminar flow cabinets may have a UV-C germicidal lamp to sterilize the interior and contents before usage to prevent contamination of the experiment. Such hoods exist in both horizontal and vertical configurations, and there are many different types of cabinets with a variety of airflow patterns and acceptable uses. The cabinet is usually made of stainless steel with no gaps or joints where spores might collect. Due to the direction of air flow, the sample is protected from the user but the user is not protected from the sample. Laminar flow units are available as downflow or crossflow units: Downflow units providing a vertical air flow over the working area (top to bottom) Crossflow units providing a horizontal air flow over the working area (back to front) The VLFU series by ProCleanroom is a standard range of vertical laminar flow cabinets (down flow). Air is drawn through a HEPA filter and blown in a very smooth, laminar flow towards the user. As skilful specialist, ProCleanroom is your partner for advice and expertise.Preparation of microbiological samples in a laminar chamber.Ī laminar flow cabinet or tissue culture hood is a carefully enclosed bench designed to prevent contamination of semiconductor wafers, biological samples, or any particle sensitive materials. The down flow and cross flow customised solutions are fully tailored to the needs and requirements of the client. Next to the standard programme, ProCleanroom also offers the possibility of customisation. Contact us to discuss your application and we will help you make the right choice. This range also consists of four standard sizes.ĭepending on the application, downflow may have advantages over crossflow or vice versa. The HLFU series is a standard range of horizontal laminar flow units (crossflow) The series consists of flow cabinets in four standard sizes. Description: Vertical Laminar Flow Bench are an ideal solution for the handling of harmless substances and non hazardous biological samples where product sterility. The VLFU series by ProCleanroom is a standard range of vertical laminar flow cabinets (down flow).
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