ISO 14644 Cleanroom Classes for Particle Monitoring
ISO 14644 cleanroom classification is now the accepted world wide standard for classifying the cleanliness of the air in cleanrooms and clean zones. ISO 14644 replaced Federal Standard 209E (FED-STD-209E).
Learn about ISO 14644 by reading our papers below, see the following products to help you meet cleanroom monitoring standards, or review submitted questions. Please send us your ISO 14644 questions.
Papers
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Selecting Particle Counters for ISO 14644 Certification of Cleanrooms (388.0 KB) When considering the purchase of a particle counter, the user typically considers factors such as price, quality, laser lifetime, warranty, and service. This paper discusses the performance-related factors of the particle counter which also must be considered if... Download above file for full tables and figures, or for overview, see HTML Version. |
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Technical Review: Particle Counting to Meet European GMP Annex 1, 2008 edition (709.0 KB) Read this technical summary of the updated particle monitoring recommendations in the 2008 EU GMP Annex 1. This paper discusses why the new Annex was needed, and how to comply. Download above file for full tables and figures, or for overview, see HTML Version. |
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Glossary of Common Terms used in Particle Counting (612.1 KB) This paper covers definitions of the most common terms used in particle counting, including "Differential Counts," "Counting Efficiency," and "Normalized Counts." A clear understanding of these terms will help you better understand your particle counter data and... Download above file for full tables and figures, or for overview, see HTML Version. |
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Basic Guide to Particle Counters and Particle Counting (8.4 MB) This overview of particle counting starts by discussing sources of particles and particle monitoring technologies available, and continues by discussing various particle counter... (Updated Nov 2007) Download above file for full tables and figures, or for overview, see HTML Version. |
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How Many Particles, How Much Sample Volume? (254.3 KB) How many particles are needed to demonstrate statistical confidence for cleanroom control and how much sample volume is required from the particle counter to see them? Download above file for full tables and figures, or for overview, see HTML Version. |
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Selecting an Airborne Particle Counter (360.5 KB) Understanding which features you need in a particle counter is a difficult task. This article will identify the various features available and help you choose those that are relevant to your application... Download above file for full tables and figures, or for overview, see HTML Version. |
Products
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This particle counter is ISO 21501 compliant via an on-board PHA. The large IR touch screen with simplified user interface makes this the new standard for particle counters.
Easy and cost-effective particle sensor to simultaneously monitor particles from multiple locations. Offer a small footprint, unparalleled performance, and superior data transmission capabilities.
A 1.0 CFM particle counter with the ability to count 0.1 µm particles. The Lasair II 110 particle counter provides a comprehensive set of features, unequalled accuracy, reduced operating costs, and the reliability and longevity to support its 3 year laser warranty.
Services
FAQ's
- How do Airnet 510 particle sensors (1 cfm) comply to ISO 14644-1 standard for Class 5 (29 counts per cubic meter @ 5.0 micron)? Currently, we've worked out all sampling intervals to be 25 minutes, in order to achieve 690 Litres of sample air based on the ISO 14644-1 standard for Class 5.
- We are setting up a manufacturing facility which will have areas specified with particle concentaration limits as per ISO 8. The system is ready for validation. Which guidelines should be followed before starting the particle count tests.
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