Watercut meter
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A water cut meter measures the water content (cut) of crude oil and hydrocarbons as they flow through a pipeline. While the title "Water cut" has been traditionally used, the current API naming is OWD or On-Line Water Determination. The API and ISO committees as of yet have not come out with an international standard for these devices but there is however a standard in place for fiscal automatic sampling of crude oil namely API 8.2 and ISO 3171.
Water cut meters are typically used in the mineral oil industry to measure the water cut of oil flowing from a well, produced oil from a separator, crude oil transfer in pipelines and in loading tankers. There are several technologies used. The main technologies are dielectric measurements using radio or microwave frequency and NIR measurements and less common are nuclear based instruments.
