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
Brian Gannon Added to Particles Plus Team
February 18, 2015 Boston – Particles Plus announced today the appointment of Brian Gannon to their Business Development Team. Brian will be responsible for new business opportunities and markets for the company. Working as an intern for the past 4 years, Brian has...
Masato Mizuno to Lead Japan Expansion
January 26, 2015 Tokyo – Airy Technology, a subsidiary of Particles Plus, announces the appointment of Masato Mizuno as the president for the company’s Japan operations. Masato will utilize his 42 years of experience in the particle counter marketplace to guide and...
New Advanced Power Management
December 13, 2014 Boston – Particles Plus brings a new performance standard to the handheld particle counter market. With a patent-pending power management circuit design, the instruments provide the longest continuous and normal mode sampling of any handheld...








