Your Global Partner in Pharmaceutical Contamination Control

Sterility assurance is not just about meeting compliance—it’s about protecting your process and your product.
At Particle Measuring Systems, we recognize that quality assurance teams need more than just reliable instruments. You need a partner who understands the complexities of aseptic manufacturing and contamination control.
Our measurement solutions deliver precise, compliant data that’s not only accurate but fully aligned with the requirements of EU GMP Annex 1, ISO 14644-1 / 2, USP 788, USP 797, 21 CFR Part 11 and ISO 21501-4 . With PMS® Advisory Services, we help your team interpret data, identify trends, set actionable limits, and manage out-of-spec events.
Together, we move beyond basic compliance—driving continuous improvement, enhancing environmental control, and supporting sterility assurance strategies that meet regulatory demands and fuel innovation.
Plus, with expert teams located in key regions worldwide, you’ll have the guidance and support you need, wherever you operate.
Complete Sterility Assurance Solutions
Reliable data. Streamlined compliance. Total confidence.
At Particle Measuring Systems, we empower pharmaceutical quality assurance teams with complete particle monitoring solutions that seamlessly integrate into your aseptic processes. Our offerings combine precision instrumentation, intuitive software, and expert support to help you maintain control, meet regulatory requirements, and ensure product sterility.
Our comprehensive solutions include:
- Contamination Monitoring –- Particle Counters & Microbial instruments designed for remote and portable applications
- Integrated Environmental Monitoring Systems – Scalable solutions ranging from modular setups to fully turnkey systems.
- Training and Education – Flexible options, from on-site to on-demand learning, tailored to your team’s needs
- Comprehensive Services – Instrument calibration, maintenance, and GMP support to keep you compliant and operational
Partner with PMS to safeguard your process and elevate your sterility assurance strategy.

Cleanroom control isn’t just a box to check—it’s a strategic commitment.
At Particle Measuring Systems, we understand that achieving and maintaining contamination control requires more than just accurate instruments—it requires a trusted partner who supports your entire process. Our PMS® Advisory Services help you turn raw data into actionable insights.
We don’t just provide measurements; we help you:
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Trend data to detect risks early.
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Set levels and limits to guide operations.
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Respond effectively to out-of-spec events.
Move beyond compliance to strengthen environmental control, drive continuous improvement, and fuel innovation. Plus, with teams in every major region, you’ll have reliable support—wherever you are.