Sampling Unit is responsible for sampling particulate pollution from exhaust sample homogeneous mixture with air filtering through the first and second map at a flow rate of sampling constant. Exhaust vent and the rest of the samples outside the laboratory. The device includes the following:
Sampling Unit has sampling particle pollutants from sample exhaust gas mixed with air, homogeneous through the filter paper sheet 1 and map 2 flow rate, sample constant.Consists of equipment, such as . .