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Optical and condensation particle counters are the two main types of particle counters used for detecting and counting aerosol particles. Conventional optical particle counters (OPCs) use light sample cells to detect, count, and measure airborne particles.
BioCapt® Single-Use 100 microbial impactor now for new applications including contamination troubleshooting. November 16, 2021, Boulder, CO – The BioCapt Single-Use (BCSU) microbial impactors from Particle Measuring Systems (PMS) are now available for use with applications at 100 Liters Per Minute (LPM), expanding the range of uses the active air…
The Ultra DI® 20 Plus delivers all the industry-leading features of its predecessor, plus unrivaled particle matching, portability, and new applications. July 5, 2022, Boulder, CO – The Ultra DI 20 Plus builds off the industry-leading sensitivity and reliability of the known and trusted Ultra DI line of instruments…
The highly adaptable, new MiniCapt® Pro offers fully compliant remote microbial monitoring with built-in pump and advanced communication options for remote viable monitoring. November 28, 2022, Boulder, CO – The MiniCapt® Pro Remote Microbial Air Sampler from Particle Measuring Systems (PMS) incorporates the latest viable cleanroom monitoring technologies into one instrument to customize cleanroom…
Started in 1972 as a cloud microphysics company, PMS has grown into a solutions and thought leader for contamination monitoring and control within clean manufacturing facilities at sites around the globe. PMS was founded in 1972 in Boulder, Colorado, USA by Dr. Robert G. Knollenberg who invented the laser particle…
In our previous blog in this series, we learned about the many forces that can act on a particle when it travels through tubing. Now, let’s take a look at how we can mitigate these forces on our particle data. Isokinetic Sampling The first way to ensure reliable, accurate data is…
With the increasing need to secure sensitive information, data integrity is here to stay. What questions do you have about 21 CFR Part 11? Read on to find the answers to commonly asked questions on this topic. What is the trend in data integrity? The trend is towards assuring the data security….
In our previous blog we learned about ways to mitigate particle losses in transport tubing from the sampling inlet near a critical point in a process, to the particle counter. Here, we’ll learn about the ways in which some losses are there to stay. Acceptable Particle Losses This section is…
Welcome to our 21 CFR Part 11 questions and answers blog, where Particle Measuring Systems answers commonly asked questions about bringing your quality system into the 21st century. Listen to this useful webinar to learn more about how to convert your paper-dependent system to a paperless 21 CFR Part 11 compliant approach. For “original”…
