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Master Measuring System

Master Measuring System


Client request referred to a state-of-the-art mobile master meter for KMN (Company Metrological Supervision).


Measurement requirements

Master meter system is requested as unique system, based on flow meters capable of checking both mass flow meters and PD flow meters in refinery Pancevo, classes 0,3/0,5/1.

For flow rates 8 – 80 t/h. Fully according API MPMS 4.5


Custom-made solution 

The equipment used on master system has type approval in Serbia, while it also has a PTB type approval no. DE-10-MI005-PTB010.


  • •Flowmeter OPTIMASS 6400 S100, KROHNE
  • •Flowmeter BMM400, ISOIL
  • •Pressure transmitter 
  • •Temperature transmitter  
  • •Density meter L-Dens 417T Ex, Anton Paar
Portable data center with flow computer mounted in appropriate suitcase.


High accuracy calibration
  • •OPTIMASS 6400 S100, has been calibrated on KROHNE UKAS accredited calibration rig based on guidelines from API MPMS 4.5. Calibrated accuracy 0,05
  • •BMM400 PD meter, has been calibrated on Warwickshire Country Council UKAS accredited calibration rig based on guidelines from API MPMS 4.5. Calibrated accuracy better than 0,1
  • •Density meter L-Dens 417T Ex has been calibrated on BEV accredited density calibration facility with 3 different calibration fluids. Calibrated accuracy 100 g/m3



  • Compact system on single skid,
  • Master meter has been tested with certified SVP, showing good results on site, for both methods.
  • Based on good accuracy data, traceable software reports, both methods has been accredited according ISO 17025


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

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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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