Particle Measuring Systems (PMS) sets the standard for cleanroom contamination monitoring. With more than 60 patents, we create the technology that enables you to make fact-based decisions, improve process yield and comply with changing regulatory requirements. We understand the challenges our customers face, which is why we actively remain up to date with industry, trade, and technology changes. Particle Measuring Systems (PMS) ensures cleanroom environmental monitoring data is protected and available whenever there is a need for product release and reporting.