SAMPLER FOR PERSONAL AIR AEROSOL SAMPLING Russian patent published in 2023 - IPC G01N1/22 G01N1/24 

FIELD: personal devices for sampling aerosols.

SUBSTANCE: invention can be used to assess working conditions in various industries. The sampler for personal sampling of air aerosol comprises a cylindrical body with an internal annular groove equipped with a means for attaching to the user’s clothing and a fitting for connecting an aspirator hose; a replaceable cassette with a filter is installed in the body, consisting of a detachable base and a cone-cover with a hole for sampling air, between the base of the cassette and the body, the first sealing ring is hermetically installed in the groove of the latter, a clamping nut is installed on top of the cone-cover, fixed with a threaded connection on the body and having two internal annular grooves for the second and third sealing rings, the second sealing ring rests against the base of the cassette, and the third one into the edge of the body thread, on the base of the cassette there are stops, in connection with the side grooves of the base of the cassette, preventing rotation of the base and the cone-cover relative to each other, the outlet of the filtered gases of the fitting is located in the middle part of the cylindrical body, and the inner surface of the base is stepped.

EFFECT: increased versatility and efficiency of use.

5 cl, 3 dwg