Portable type airborne microorganism sampler

Details Portable type airborne microorganism sampler Portable type airborne microorganism sampler

C - Chemistry, Metallurgy

12

M

C12M 1/26 (2006.01)

Patent

CA 2348978

A Petri dish (S) storing therein a culture medium (K) with a specified thickness is supported on the dish support (17) of a casing (14) and then a nozzle holding member (13) is fitted to the upper portion of the casing (14). When a motor (19) is driven to rotate a high static pressure fan (18), air introduced through the hole (12a) of a nozzle (15) flows through the space between the nozzle (15) and the medium (K); a high trapping efficiency can be then maintained with the distance between the medium and the nozzle set to 0.5 to 1.5 mm.

L'invention concerne une boîte de Pétri (S) stockant un milieu de culture (K) d'une épaisseur spécifiée, prenant appui sur le support de boîte (17) d'un boîtier (14), un élément porte-buse (13) étant ajusté sur la partie supérieure dudit boîtier (14). Lorsqu'un moteur (19) fait tourner un ventilateur (18) à pression statique élevée, l'air introduit par l'alésage (12a) de la buse (15) s'écoule dans l'espace situé entre la buse (15) et le milieu (K). Il est ainsi possible de maintenir une efficacité de piégeage élevée, la distance entre la buse et le milieu se situant entre 0,5 et 1,5mm.

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