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- ISO 21501: Determination of Particle Size Distribution
single particle light interaction methods - ISO Cleanroom Class Particle Monitoring
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ISO 21501: Determination of Particle Size Distribution
single particle light interaction methods
Included with ISO 21501, there are four parts
- Part 1: Light scattering aerosol spectrometer (still undergoing preparation)
- Part 2: Light scattering liquid-borne particle counter
- Part 3: Light extinction liquid-borne particle counter
- Part 4: Light scattering airborne particle counter for clean spaces
The documentation and approval of ISO 21501-2, -3, and -4 subsequently replaces and cancels ISO 13323-1:2000.
Read below to better understand ISO 21501-4, Light scattering airborne particle counter for clean spaces and to find particle counter solutions that meet this standard.
Contact us if you need more information or have questions.
Papers
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Click here to signup and download files (Understanding ISO 21501-4) The ISO 21501 standard widens the scope of analysis to include methodology for airborne particle counting and liquid particle counting (both light scattering and extinction methods). Specifically, ISO 21501-4 provides a calibration procedure and verification method for airborne particle counters to ... Download above file for full tables and figures, or for overview, see HTML Version. |
Products
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Lasair® III Particle CounterThe Lasair® III particle counter is ISO 21501 compliant through the use of an on-board PHA. Its large IR touch screen with simplified user interface makes the new standard for particle counters. |
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