Sampling Unit: store the sample particle pollutants from exhaust sample that is mixed with the air filter is the same phankradat the plate 1 and map 2 the flow rate to be collected and the rest of the exhaust vent from the sample out of the test room, consisting of different devices as follows:
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 . .