
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
3000 Series Unveiled at ESTECH 2015
April 28, 2015 Danvers – Particles Plus unveiled their new 3000 Series remote particle counter with internal pump at the 2015 ESTECH Conference in Danvers, MA. This line of innovative 1 CFM (28.3 LPM) remote particle counters was designed for continuous monitoring...
Particles Plus Unveils Air Quality Monitors
March 16, 2015 Dallas – Particles Plus unveiled its new Air Quality Monitors at the 2015 Indoor Environment & Energy Exposition. This line of innovative particle counters measures particle mass concentrations and total particle mass while monitoring and recording...
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...