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
Celebrating 10 Years With Particles Plus
Particles Plus celebrates Bob Scannell’s 10-year anniversary, recognizing his dedication to calibration, instrument service, and keeping customers counting particles without interruption.
Particle Monitoring At The Edge Of The World
Researchers used a Particles Plus air quality monitor to track particulate pollution during an 11,000-kilometer Arctic voyage, detecting wildfire smoke that satellite mapping missed and demonstrating the value of portable monitoring in remote environments.
Building Great Instruments Is Only Part Of Our Responsibility
Particles Plus is investing in the future of contamination control and healthier indoor air through long-term partnerships, support for education and standards, and contributions to global initiatives.