FIELD: measurement equipment.
SUBSTANCE: device comprises a metering vessel (1), an additional vessel (2), a gas analyser (3), a filter (4), a drop collector (5), pneumatic valves (6, 7), a source of carrier gas and pipelines connected to listed process elements. The metering vessel (1) is connected to the drop collector (5), connected via the filter (4) with the gas analyser (3). In the mode of operation "without additional volume" the gas analyser (3) is connected via pneumatic valves (6, 7) with the metering vessel (1). In the mode of operation "with additional volume" the gas analyser (3) is connected via pneumatic valves (6, 7) with the additional vessel (2) to the source of carrier gas connected with the metering vessel (1).
EFFECT: higher efficiency, representativeness and accuracy of gas detection in a liquid, simplified design.
2 cl, 2 dwg
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