Leading the Way in Contamination Monitoring & Cleanroom Solutions Worldwide
Particle Measuring Systems partners with clean manufacturers around the world to help meet regulatory requirements, improve product yield, and maintain process integrity.
Trusted worldwide for contamination monitoring innovation
With a local presence in every major market, we deliver contamination monitoring solutions for particles and molecules across air, gas, chemicals, and deionized water, along with active air microbial samplers.
As the inventor of laser particle counting, our legacy of innovation is backed by over 60 active patents, making us a trusted leader in cleanroom and process monitoring technologies.
Discover Whatās Driving the Future of Particle Measuring Systems
Join Andy Cowan, President of Particle Measuring Systems, as he shares his vision for the companyās future and what sets PMS apart as an exciting place to work and collaborate.
From rapid global growth and long-term customer partnerships to bold investments in innovation and infrastructure, get an inside look at how PMS is expanding its reach.
Global Expertise, Local SupportāWherever You Are
At Particle Measuring Systems, we donāt just serve global marketsāweāre directly present in them.
- Local sales and service teams in over 50 countries
- Direct presence in every major clean manufacturing region
- On-the-ground expertise for faster, more responsive support
- Deep understanding of regional industry and compliance needs
Backed by more than 60 active patents and a team of 700 employees worldwide, we develop the technology that helps you make confident, data-driven decisions, boost process yield, and stay ahead of evolving regulatory demands.
We stay closely connected to industry and technology trends so you can focus on what matters most: product quality and compliance.
Innovation That Started It All
Particle Measuring Systems is the worldās largest manufacturer of particle countersāand it all began with a breakthrough: we invented laser particle counting technology. This innovation revolutionized contamination monitoring by delivering precise, reliable data for cleanroom environments.
Since 1972, weāve continued to lead the way. Our commitment to advancing detection technologies drives every product we release and every service we offerāalways focused on solving the toughest challenges in critical industries today and preparing you for tomorrow.
A Spectris Company
Particle Measuring Systems is part of Spectris plc,Ā who harnesses the power of precisionĀ measurement to equip customers to make theĀ worldĀ cleaner,Ā healthierĀ andĀ more productive.ā
Precision is at the heart of Spectris who providesĀ customers with specialist insight through high-tech instruments and test equipment.Ā
Spectris is committed to maintaining highĀ standards of corporate governance, both at theĀ Board level and throughout the Group. This isĀ fundamental to the effective and responsibleĀ management of the business.
Our Mission Statement
We lead in contamination monitoring and empower clean manufacturers with innovative technology and exceptional service, driven by our dedicated global team.
A Spectris Company
Particle Measuring Systems is part of Spectris plc,Ā who harnesses the power of precisionĀ measurement to equip customers to make theĀ worldĀ cleaner,Ā healthierĀ andĀ more productive.ā
Precision is at the heart of Spectris who providesĀ customers with specialist insight through high-tech instruments and test equipment.Ā
Spectris is committed to maintaining highĀ standards of corporate governance, both at theĀ Board level and throughout the Group. This isĀ fundamental to the effective and responsibleĀ management of the business.
Our Mission Statement
We lead in contamination monitoring and empower clean manufacturers with innovative technology and exceptional service, driven by our dedicated global team.
Our Values
Be true
We believe in absolute integrity. Itās how we win for stakeholders, the environment and each other.
Own it
We believe in teamwork and keeping our promises. Itās how we build our brands and businesses.
Aim high
We believe in being bold and positive. Itās how we perform at our best and achieve greater success.