A sampling apparatus comprising sampling means for sampling air in the breathing zone of a wearer of the apparatus and support means for said sampling means comprising a pair of eyeglasses including a frame said sampling means comprising a sampling tube supported on the frame of said eyeglasses and including a main body portion and a pair of sample transport tubes connected to said main portion and suspended, in use, therefrom centrally of said frame so as to be disposed on opposite sides of the nose of the wearer in close proximity but spaced therefrom so that a representative sample of air breathed by the wearer can be taken without obstructing the flow of air into the nostrils of the wearer, said transport tubes each including an inlet therein which, in use, is disposed adjacent to a respective nostil of the nose of the wearer a filter holder connected to said main body portion of said sample tube a filter removably mounted in said filter holder for filtering out particulate material in the air sampled by the apparatus and means for connecting the sampling apparatus to a pump for drawing air into the apparatus through said inlets so that the air passes through said filter.Ģ.
0 kommentar(er)
