02-05-2023 дата публикации
Номер: CN116046484A
Принадлежит:
The invention relates to an aerosol collecting device and method capable of adjusting the sampling particle size, the aerosol collecting device capable of adjusting the sampling particle size comprises a collecting shell, a mounting shell, a sampling carrier and a flow pump, a part of the collecting shell is mounted in the mounting shell, an air inlet is formed in one end, located outside the mounting shell, of the collecting shell, and an air outlet is formed in the other end, located outside the mounting shell, of the collecting shell; hard side walls are hinged to the two opposite side walls of the end, located in the installation shell, of the collection shell correspondingly, and the two hard side walls are connected through two soft side walls and define a sample collection channel. Slit adjusting mechanisms are installed on the two hard side walls, the sampling carrier and the flow pump are both installed in the installation shell, the sampling carrier makes contact with the free ...
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