The Portable Environmental Dust Analyzer device is used for measuring the concentration of air particulate matters with a diameter of less than 10 μm, 2.5 μm and 1 μm in addition to measuring the concentration of total suspended particulates (TSP) and the number of suspended particulates per unit volume of ambient air. This device is used to monitor the ambient air of factories, cities, and other closed environments. It also can measure the temperature  and humidity parameters of the environment