
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
Advancements in Interface and Communications for Particle Counters
Modern consumer technology has created greater expectations in how professionals interface with and use the equipment and instruments of their trade. The ability to easily and effectively control and communicate with a device has become the rule and not the...
David Pariseau to Speak at Sensors USA Show 2019
Santa Clara, CA – October 7th, 2019 – David Pariseau, Chief Technical Office and Co-Founder of Particles Plus, will be speaking at the Santa Clara Convention Center on November 20th at the Sensor USA event that is part of the IDTechEx Show. David will be speaking on...
Particles Plus Attending IAQ & Energy Conference 2019
Boston – Sept 10th, 2019 – Particles Plus will be attending the IAQ & Energy Conference on October 31st to November 1st at the Holiday Inn Portland-By The Bay in Portland Maine. The conference provides professionals with a collaborative environment to learn about...