This dust monitor has many functions. With the fine dust monitor it is possible to determine the number of particles in the size of 0.3, 2.5 and 10 m. - Measurable particle sizes: PM 2.5 and PM 10 - Measuring range: 0 … 2000 g / m - Resolution: 1 g / m - Particle counter, HCHO, temperature measurement - Dew point and wet bulb temperature