Count On Us™
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
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, Inc. Unveils the Tom Grillo Training Center
Particles Plus, Inc. has opened the Tom Grillo Training Center in Stoughton, MA, a state-of-the-art facility offering hands-on education, calibration, and professional development to support global partners, customers, and staff in air quality monitoring.
Particles Plus, Inc. Opens New Headquarters
Particles Plus, Inc. has opened its new headquarters at 1490 Central Street in Stoughton, MA, expanding manufacturing, R&D, training, and customer support to drive innovation and strengthen global engagement in air quality monitoring.
Breakthrough Features Redefine Air Monitoring Technology
Particles Plus, Inc. unveiled its advanced lineup of U.S.-built particle counters and environmental monitors, featuring multi-controller architecture, remote diagnostics, and industry-leading usability to deliver unmatched accuracy, versatility, and reliability for air quality professionals.