Aerocet 831 Handheld Aerosol Mass Monitor

The Aerocet 831 from Met One Instruments Powered by Acoem is a completely portable, full–featured, battery operated, handheld mass monitor for indoor air quality monitoring. This device simultaneously provides five critical air particulate mass ranges (PM₁, PM_2.5, PM₄, PM₁₀, & TSP) and displays results within one minute from start up. Survey the indoor air quality of your environment with the easy to use, extremely portable, size selective Aerocet 831. Weighing only 28 ounces, this compact handheld air quality monitoring instrument is the perfect tool for a wide range of indoor air quality assessment applications.

https://youtu.be/1GuzL7ynJVo