
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
World’s Smallest Particle Counters
Boston – September 28, 2015 – Particles Plus released the new 2000 Series line of remote particle counters that are the industry’s smallest sized design. The 2000 Series is easily integrated into a real-time monitoring or building management system via Modbus™ RTU or...
Particles Plus launches Remote Diagnostics
August 7, 2015 Boston – Particles Plus announced today the launch of their next generation remote diagnostic and service capability. The Particles Plus instruments allow for extensive remote diagnostics over an IP from anywhere in the world. Service staff may access...
Jim Akey Hired as NA Sales Channel Manager
July 8, 2015 Boston - Particles Plus announces that Jim Akey has joined the company as Sales Channel Manager. Working from his office in Oregon, Jim will be supporting distribution and key account management in North America. “Jim brings a depth of knowledge and 16...