APPARATUS FOR APPLYING A LIQUID SAMPLE ONTO A CULTURE MEDIUM

摘要

Apparatus for applying a liquid sample onto a culture medium in a spiral shape, for example for determining the bacteria concentration therein, comprises a line having an inclined nozzle for applying said liquid sample onto the culture medium. A turntable supports a culture medium container, and said line being supported by a linearly movable slide. Automatic means are arranged for adjusting said nozzle and turntable relative to each other by depending on the level of the upper surface of the culture medium by means of a sensor. An automatically controlled movement mechanism together with a level control device for a desinfectant container insures that the nozzle is submerged deep enough into the desinfectant to properly desinfect the outer side of the nozzle.