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Particles Plus offers a line of advanced-technology particle counters, air quality monitors, and environmental sensors. As the most vertically integrated particle counter manufacturer and technology licensing company in the industry, Particles Plus engineers and manufactures its own counter, display, battery, vacuum pump, and sensor technology from the ground up. Added intelligence in each module results in products with superior performance, extended features, accuracy, quality, reliability and value.

The most accurate sensor and particle counting technology on Earth

CLEANROOM SOLUTIONS
INDOOR AIR QUALITY SOLUTIONS
AMBIENT AIR MONITORING
WEARABLE SOLUTIONS
OEM SOLUTIONS
CALIBRATION, SERVICE & REPAIR

Made in USA

100% of Particles Plus® products are designed and assembled in the USA, while 89.2% of the parts are built by 35 different suppliers located in the USA and Canada.

Latest News

Particles Plus® Instruments Used in Study of PM 2.5 Standard

Particles Plus® Instruments Used in Study of PM 2.5 Standard

Boston, MA - August 19, 2021 - The Particles Plus® Ambient Air Monitor Model EM-10000 and the Particles Plus® 7301 Remote Particle Counter were used by universities across Asia and in the United Kingdom for a study of the usefulness of the global standard for PM 2.5...

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The Particles Plus Environmental Monitors

The Particles Plus Environmental Monitors

Boston, MA - July 14, 2021 - Particles Plus is expanding it's line of Environmental Monitors to include the Particles Plus® Ambient Air Monitor Model EM-11000. The Model EM-11000 is a smaller, more economical version of the Model EM-10000 Ambient Air Monitor and will...

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Particles Plus supports BOMA, International

Particles Plus supports BOMA, International

Boston, MA - June 20, 2021 - Particles Plus has now increased its outreach into the marketplace with its sponsorship and participation in the activities of BOMA International. Founded in 1907, the Building Owners and Managers Association (BOMA) International is a...

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