FIELD: pipeline.
SUBSTANCE: part of liquid flowing in pipeline is continuously bled into sampling line through control filter with measurement of its flow rate. Besides liquid flow rate in sampling line is established provided that liquid speeds are equal in intake element of sampling and in pipeline in the area of sampling device installation. Content of contaminants is defined in liquid that flows in pipeline, taking into account weight of contaminant particles deposited on a control filter of sampling line, as well as volume of liquid that passed through the pipeline and volume of liquid gone through sampling line via control filter.
EFFECT: improved accuracy of measurements.
2 cl, 1 dwg
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