
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
UM-27100 brushless vacuum pump
Grants Pass, OR – June 2, 2015 – Particles Plus, US based manufacturer of Air Quality Monitors, Particle Counters and Vacuum Pump Technology, has introduced their new UM-27100 brushless vacuum pump. This new pump offers an open flow rate of 6 LPM and utilizes a...
Joseph Goh Hired As Malaysia Ops Manager
May 12, 2015 Penang – Particles Plus has appointed Mr. Joseph Goh as Operations Manager for the company’s current expansion in Malaysia. Mr. Goh will be instrumental in assisting the company’s management team to establish a local operation for sales and service in...
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...