High-precision CoriolisMaster flowmeter certified for custody transfer.

ABB’s CoriolisMaster flowmeter has received recognition for its high levels of accuracy, gaining custody transfer standards approval. The flowmeter now offers a new custody transfer application approved under OIML R 117-1 and Wellmec standards and certified for the European Measuring Instruments Directive MID.*

Accuracy and reliable measurement are paramount in the transfer of expensive commodities such as oil and gas. Custody transfer is a highly regulated area which falls under both international standards and regional regulations.

The CoriolisMaster certification complements ABB’s Flow-X series of flow computers, a single hardware and software solution that connects to flowmeters, and to temperature, pressure and density transmitters as well as chromatographs to calculate the volume at standard conditions, mass and energy following international standards. The Flow-X aims for the highest precision to protect the interest of buyer and seller. Its analog inputs have an unmatched accuracy of 0.008 percent over a wide ambient temperature range.

“This certification places ABB at the forefront of custody transfer measurement,” said Frank Frenzel, Global Product Line Manager, ABB Process Flowmeters. “We have seen significant growth in this area in recent years, with increased demand for our Flow-X computers, and customers asking for a complete fiscal metering offering. Our CoriolisMaster has never been faster or more precise in its measurements. Certification confirms that it is ideally placed to meet customers’ need for precise measurement, joining the Flow-X computer for unrivalled accuracy in custody transfer applications around the globe.”

With its distinctive lean design, the CoriolisMaster has a small footprint which reduces on-site handling, commissioning and costs by being easy to install and using less pipeline than has been traditionally required. Extensive communication capabilities provide real-time data insights for instant action, and the inclusion of the ABB Ability™ Verification for measurement devices solution allows the performance of the meter to be verified at any stage either in-situ or remotely.

Even the smallest imprecision in custody transfer can lead to big financial losses, so the high accuracy of the CoriolisMaster makes it ideal for liquid mass flow measurement. With repeatability an equally important element, the stability of ABB’s CoriolisMaster in maintaining calibration across its lifecycle is an essential element. The flowmeter also eliminates the need for an additional inline density meter, making it invaluable for product quality assurance purposes, by providing direct density measurement and improving the measurement of liquid and gas flow composition.

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* The International Organization of Legal Metrology (OIML) is a worldwide, intergovernmental organization whose primary aim is to harmonize the regulations and metrological controls applied by the national metrological services, or related organizations, of its Member States.

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