FIELD: chemistry.
SUBSTANCE: device is provided with a high post with an elevating mechanism in form of an endless tape mounted on a driving drum and a tension drum, and has samplers mounted on the post. The samplers are in form of sealed packets of polymer film connected with controlled pneumatic pumps through two-position air valves. The device further includes a control unit which controls the beginning and the duration of sample collection, and operating modes of the controlled pneumatic pumps.
EFFECT: providing prolonged sample integrity in laboratory conditions for subsequent analysis, high reliability and mobility of the device.
2 dwg
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