FIELD: monitoring of atmospheric purity. SUBSTANCE: in device for automatic sampling of atmospheric air distributor, unit of air-operated valves and unit of impurity collectors are manufactured in the form of autonomous separable module. Module is replaced after termination of cycles of sample taking. Unit of air-operated valves is placed in module ahead of unit of impurity collectors. Number of air-operated valves corresponds to number of sampling cycles. Unit of flow rate is provided with flow regulators in each sampling channel, air collector and meter of summary flow. EFFECT: simplified design, increased reliability and operational efficiency. 1 dwg
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