Particle Measuring Systems (PMS) provides Pharmaceutical aseptic and controlled manufacturing customers with the superior knowledge, technology, quality, and service you need to successfully meet global regulatory requirements and manufacture your product to the highest quality possible. Partnering with our customers, we provide a complete contamination monitoring solution. Starting with our Advisory Services team to assess risk, then collecting data with our world-class viable and non viable particle counters, through to compliant data management, analysis and reporting. We have the expertise to help you meet global regulatory requirements and get your product to market.  As one of the world’s leading clean room contamination control experts and complete solutions provider, we offer fully integrated and robust monitoring solutions including:

  • Particle Counters and Microbial Samplers, portable and remote
  • Environmental and Facility Monitoring Systems (FMS)
  • Data collection and fully compliant data management

Additionally, we offer a wide variety of expert Advisory Services including:

  • Sampling locations
  • Risk Assessments – avoiding 483’s
  • Thermal Validations
  • Crisis Handling – 483 management and response

Founded 50 years ago, PMS is a trusted thought-leader in the Pharmaceutical clean manufacturing and other Life Science industries. Our team provides multiple webinars, papers, and training throughout the year to support professionals and cleanroom manufacturers with reliable guidance on the application of and compliance to global regulations.


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 and aseptic area microbial monitoring according to ISO Class 5/7, GMP Grade A/B, and for use in background areas monitored by a Facility Monitoring System (FMS).

Innovative new portable particle counter meeting all regulatory requirements.

The MiniCapt® Mobile Microbial Air Sampler from Particle Measuring Systems (PMS) is an innovative, light and mobile viable sampler. It simplifies the job of microbial air sampling by applying modern data management capabilities that save time and reduce operator error in air sampling data.

Facility Monitoring System with industrial control systems assures data integrity, process automation, simplicity of use, and data integration.

The APSS-2000 Liquid Particle Counter for USP 788 sizes and counts suspended particulate matter in a wide range of liquids, including parenterals, to meet all current U.S., European and Japanese Pharmacopoeia standards. When it comes to particle monitoring quality control for liquid drug manufacturers, it’s important to meet regulations while minimizing waste.

Viable, Non Viable and Environmental Monitoring Software.

The BioCapt® Single-Use Impactor secures the process, product, and ultimately the patient by avoiding contamination risks.

A compact, user-friendly variable channel remote particle counter. Designed for minimum downtime and multiple option flexibility.

Monitor your viable and non-viable particles according to the most recent regulatory requirements. Count, report, document and manage your pharmaceutical environmental monitoring data meeting 21 CFR Part 11 data integrity requirements.

The MiniCapt® Remote Air Sampler features modern, easy to use data and sample configuration management by integration with a FacilityPro® system.

A simple and cost-effective way to monitor your cleanroom, the Airnet II Air Particle Sensor provides unparalleled performance with data transmission capabilities for remote monitoring.

The top Data Collection and leading Data Management companies combined to create a complete contamination monitoring solution for pharmaceutical manufacturers.

FacilityPro® Cleanroom Software by Particle Measuring Systems provides the interface, data management, and reporting for an environmental monitoring system. FacilityPro’s ability to manage viablenonviable, and environmental data through a common system improves the efficiency of production operations and quality investigations.

Particle Measuring Systems partners with companies in the Pharmaceutical industry as a complete contamination monitoring solutions provider. Starting with our Advisory Services team, then collecting data with our viable and non-viable, particle counters, through to complete validation, data management and reporting. We have the expertise to help you meet regulatory requirements including ISO 14644-1:2015 and EU GMP Annex 1 to get your product to market.

The Lasair® III Aerosol Mobile Particle Counter minimizes operator errors with intuitive recipe configuration and meets ISO 14644-1/2:2015, ISO 21501-4, EU-GMP.

The BioCapt® Microbial Impactor meets regulatory requirements - remote sampling and ISO 14698-1/2 compliance.

The Airnet® II Particle Sensor is part of an automated monitoring system reducing manpower that provides consistent location monitoring.

A compact, VHP resistant remote particle counter.
As part of a facility monitoring solution, the IsoAir® Pro-E Remote Particle Counter from Particle Measuring Systems (PMS) is an effective piece of a Contamination Control Strategy using the latest technologies to streamline cleanroom monitoring while meeting global regulations including EU GMP Annex 1, ISO 14644-2, and part of a 21CFR Part 11 solution. This remote particle counter has all the features you need for reliable particle monitoring in your clean area are built into a simple but powerful package.


The Lasair® III 110 Airborne Particle Counter is a laser diode-based true 0.1 micron (μm) particle counter with 1.00 CFM flow rate. It provides real-time measurement of yield-impacting particles with three configurations to meet your unique application needs. Part of the series of cleanroom particle counters from Particle Measuring Systems.

The Lasair® III Cleanroom Particle Counter is designed with your unique needs in mind. It sets the standard for portable aerosol particle counters in highly regulated environments, so you can make sure your environment is clean.


Particle Measuring Systems

5475 Airport Blvd.

Boulder, CO 80301


Phone: 303-443-7100

Contact: Nina Morton