Selecting airborne-particle counters for ISO certification

Certain factors are routinely considered for any particle counter purchase, such as price, warranty, quality and expected laser lifetime.

When selecting a particle counter for cleanroom certification, it is important to consider additional factors. Of these, sensitivity and flowrate are the most important parameters, both of which determine the sampling time required to complete certification at the desired level of cleanliness. Particle counter saturation also must be considered.

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