Multichannel indoor environment particulate matter sampler for constructional engineering

The utility model relates to the technical field of particulate matter collectors. The utility model discloses a multichannel indoor environment particulate matter sampler for constructional engineering. The device comprises a box body, box doors are rotatably connected to the front face and the back face of the box body, a fixing ring is fixedly installed on the left side of the inner bottom wallof the box body, an air pump is fixedly installed on the right side of the inner bottom wall of the box body, an air suction pipe corresponding to the box body is fixedly connected to the right sideof the air pump, and a collecting vessel is movably connected to the top of the fixing ring. The utility model discloses a multichannel indoor environment particulate matter sampler for constructionalengineering. Passing air pump, according to the sampling device, the air flow is shunted in the end cover under the pressure action of the air pump, so that the sampling accuracy is ensured, a plurality of samples are collecte