Aerosol Particle Counter Matching
A Practical Guide to Aerosol Particle Counter Matching

A common question related to aerosol particle counters is how well particle counting results should match each other. New airborne particle counters added to an existing fleet won’t always match the counts of the old. This could be as a result of different manufacturer’s, but even when the particle counters are supplied by the same manufacturer, it is not uncommon for variation to exist. In this short paper, we provide a practical guide for the expectations one should have when comparing particle count data from similar and dissimilar instruments.

airborne particle counter New Lasair Pro
ISO 14644-1:2015 Revisions Summary for Electronics

The recent revision of ISO 14644-1:2015 has introduced several changes for cleanroom classification and monitoring guidelines. This paper will highlight the major changes in the new ISO 14644-1 compared to the previous version and the possible impact on the Pharmaceutical EU GMP Annex 1 and FDA Aseptic Processing Guideline.

Over the last five years, the ISO Technical Committee 209 has been working on the revision of the basic airborne cleanliness classification, 14644-1 and -2.

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