Everyone who buys an air quality monitor wants to know how it compares to the official numbers to confirm its accuracy. When I bought a Dylos DC1100 Pro laser particle counter, I did a comparison test with the US Embassy. I put my Dylos Pro outside the window of my apartment (at Nanluoguxiang) 70 times […]
The beast. The Dylos DC1100 Pro Air Quality Monitor. This is what I use to test whether the filters work. It gives readings of the number of particles 2.5 micrometers and above, as well as .5 micrometers and above per .01 cubic foot. They’re available through Amazon for $261.