Wet&Dry sampler
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The influence that acid precipitations and solid depositions have on natural ecosystems has been known for years and it is object of studies evaluating the risks connected to wet and dry depositions (rain, snow, hail) to which woods, cultivated areas, and surface water are exposed. The Wet & Dry sampler is intended to collect solid depositions, both wet and dry and make them available for further laboratory analysis.
Two cylindrical containers collect alternatively the depositions “with” or “without” precipitation. The position of the mobile lid is defined by a “precipitation presence” sensor and its microprocessor based electronics. With precipitation, the sensor is heated to accelerate the evaporation of superficial wet deposition, to avoid its activation caused by dew phenomena and to recognize at the right time the end of the atmospherical precipitation.