Review on 🌬️ Optimized Air Quality Particle/Dust Detector/Counter - PerfectPrime AQ9600, PM 0.3/2.5/10 Μm by Dennis Brinson

It detects 0.3 µm PM and the price is amazing! I love it when I turn it on for the first time. Robust and well-made outer housing. Clear LCD color display that is easy to read even in the dark. It simultaneously detects particles of 0.3 µm, 2.5 µm and 10 µm. Choose from different sample rates and test modes, etc. There's also temperature, humidity, and data storage. There are two units of measurement - mcg / m3 and piece / l. The smallest particle that can be accurately counted is down to 0.3 µm (in pieces/L, the number of pieces makes more sense than weight when the particles are so small). The one I got from Dylos can only detect particles down to 0.5um in size. And guess what, this one's even cheaper.