calibration Archives - Particle Measuring Systems https://www.pmeasuring.com/tag/calibration-zh-tw/ Contamination control instruments and expertise Thu, 06 Feb 2025 21:07:04 +0000 en-US hourly 1 https://wordpress.org/?v=6.7.2 https://www.pmeasuring.com/wp-content/uploads/2018/12/cropped-pms-icon-1-150x150.png calibration Archives - Particle Measuring Systems https://www.pmeasuring.com/tag/calibration-zh-tw/ 32 32 BLOG: ISO 21501-4 Calibration Requirements https://www.pmeasuring.com/blog-iso-21501-4-calibration-overview/ Wed, 22 Sep 2021 13:30:43 +0000 https://www.pmeasuring.com/?p=131957 ISO 21501-4 is the recognized standard for optical particle counter calibration. In this blog, we look at the basics of the ISO 21501-4 standard for those new to particle counter calibration.   Why do I need to care about ISO 21501-4? Your aerosol particle counter is going to need calibration...

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]]> Airborne Particle Counter Differing Results https://www.pmeasuring.com/airborne-particle-counter-results-data/ Thu, 07 Jan 2021 00:23:33 +0000 https://www.pmeasuring.com/?p=89502 When particle counters work together to give data on the state of contamination control, they’re going to disagree on the numbers. But why do the counts not match? The answer encompasses model, manufacturing, engineering design, and calibration.

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