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How to Select a Particle Counter for my Cleanroom

Often, the selection of a particle counter for use in a cleanroom is done based upon the specifications of the 
instrument and the purchase price. 
Before getting into the details of the specifications, it is important to look at how the instrument will be used, 
the environments in which it will be used and who will be using the instrument. Without this information taken 
into consideration, a less than optimal choice of particle counter for the application could be made. 
• In what type of environment will the particle counter be used? Will it be used in an ISO Class 3 Cleanroom 
for routine particle counting or will it be used for verifying that a flow bench is operating prior to a critical 
process?
• What type of data is the particle counter expected to collect? Will this information be recorded as simple 
pass/fail data or will the information have to be logged into a spreadsheet or database?
• Will the operator be carrying the particle counter around and placing it on a critical work surface or will the 
instrument be cart mounted? 
• Will this particle counter be used to certify cleanrooms and travel from location to location?
• Will the particle counter be used to monitor the cleanroom on a continuous basis? Is the particle counter 
intended to interface with a Facility Monitoring System (FMS)?
 
09.09.2013
Turk Ak ISO 9001
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