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Master Measuring System

Master Measuring System

Mobile Master Measuring Skid for Proving of Single-phase Liquid Hydrocarbons 
- Single-phase mobile reference meter based on KROHNE Coriolis mass flow meter
- Premium meter calibration according API MPMS 4.5 on UKAS ISO 170250 accredited calibration rig
- Reference meter based on Indirect master meter proving method defined in API MPMS 4.5
- Compact, mobile system easy accessible to any meter under test


A state-of-the-art, compact master meter based on Coriolis mass flow meter to prove existing metering systems on various installations through entire production process, from upstream, production to downstream.

 Measurement requirements

Single metering system for proving metering systems in 40 – 400 t/h range
  • - Measuring systems on pipelines (class 0,3)
  • - Measuring systems on tank trucks (class 0,5)
  • - Measuring systems for delivery in tank-trucks, rail-tanks, barges (class 0.5)
  • - Measuring systems for the supply of liquefied petroleum gas (class 1.0)
Main request, beside the above listed requirements, was to fulfill requirements from API MPMS 4.5, using master meter on multiple operating rates, preparing Master meter curve (MMF) for various flow rates achieving the required uncertainty. In order to establish required MMF, calibration of Master meter should result uncertainty of 0,029% or better at a 95% confidence level.

Solution from WIG

To achieve required uncertainty in requested flow range, we in WIG decided to use KROHNE mass flow meter, model OPTIMASS 2000 S150 with premium calibration. 
Additionally, for completion of the project the following high accuracy transmitters were used:
- Pressure transmitter 
- Temperature transmitter 
- Density meter L-Dens 417T Ex, Anton Paar


If you have any requirement or challenge for us, please contact us directly! We are ready to assist you with high quality services.

Send you query to 

Womens Bandeau

Project Details


Our automation & control solutions range from conceptual design to start-up and commissioning and include control system configuration & integration, safety control systems, remote instrument enclosures (RIEs) & panels enclosure and panels design and traditional automation & control services combined with advanced applications offerings and field construction services

WIG offers an independent approach to vendor selection and application.

Our vendor-independent approach allows us to objectively assist in the selection process of the major controls in order to maximize operating efficiency and productivity. Also, as an engineering company, we have the internal knowledge and resources necessary to offer our clients turnkey solutions, from concept to commissioning and startup. Our extensive project management experience, paired with a structured implementation approach and early involvement in the project, can significantly reduce rework and associated costs later in the project.

WIG is one of the leading providers, in this part of Europe, of automation & control services, including system engineering, specification, integration and implementation.

Experience matters. We have built a reputation for innovation, quality and value through skillfully engineered automation & control systems to the upstream oil & gas as well as, water&wastewater, food and beverages and refining and chemical industries. We deliver projects to customers schedule, managing multiple and diverse technologies, automation, maintenance and business system integration and lifecycle costs.

We in WIG are fully aware that commissioning usually represents a critical stage in the life of a facility. Commissioning process may be considered as a series of vital checks undertaken before actual operation begins. Since the complete commissioning services play an important role in minimizing project risks and achieving performance goals from the very start, our job is to prove the integrity of all systems, identifying and correcting design and construction errors along the way. Our comprehensive approach helps our clients meet a host of challenges; regulatory, safety and environmental compliance; and naturally, operational performance.

We in WIG undertake complete responsibility for commissioning, whether we start in the engineering office, provide expertise in the fabrication yard or mobilize to a remote area.

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Our confidence and wide range of options are the result of support and cooperation we have been cultivating for more than 20 years with our Principals and Partners.

We also promote products and represent our principal's interests with an accent to provide comprehensive customers support in instrumentation selection and application, consulting, distribution of products and systems created by our principals and partners. After that stage, we take care of long term genuine spare parts supply and provision of technical documentation and manuals, software tools for operating and maintenance and many other customer related aspects.


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