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The FS209E cleanroom classification system has six cleanroom cleanliness classes: Class 1, Class 10, Class 100, Class 1,000, Class 10,000, and Class 100,000. ISO 14644-1 replaced FS209E in 1999 for Europe and in 2001 for the United States.
Class 10,000 cleanrooms may use simple smocks, head covers, and booties. For Class 10 cleanrooms, careful gown wearing procedures with a zipped cover all, boots, gloves and complete respirator enclosure are required.
This part of ISO 14644 specifies classes of air cleanliness in terms of the number of particles expressed as a concentration in air volume. It also specifies the standard method of testing to determine cleanliness class, including selection of sampling locations.
A cleanroom can also prevent the escape of materials. This is often the primary aim in hazardous biology, nuclear work, pharmaceuticsand virology. Cleanrooms typically come with a cleanliness level quantified by the number of particles per cubic meter at a predetermined molecule measure.
ISO 7 Cleanroom (Class 10000 Clean room) This is one of the most common classes of cleanrooms. If you need an ISO 7 cleanroom, you should consider having an ISO 8 airlock/gowning room prior to entering the ISO 7 room. The air changes per hour will vary in both rooms as described below.
Learn about the different types of cleanrooms and their requirements for air quality, filtration, and design. Find out how to choose the best cleanroom for your needs and budget.
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