Supervisory Control Cabinets

Complete solution for process control

  • Provides control of the metering system, including validation of field instrumentation
  • Installed in a safe area, typically in a control room or dedicated building
  • Supplied in combination with new metering systems, or for an upgrade to existing systems

Supervisory control cabinets filled with SUMMIT 8800 flow computer at KROHNE Oil and Gas factory in Breda Netherlands

Typical metering systems can have an impressive metering skid with piping, instrumentation and valves. The brain of the metering system is however the supervisory control system that is usually installed in the safe area control room. Metering control cabinets include items such as flow computers, Supervisory PCs, PLCs, UPS systems, barriers, switches and fuses. For large installations all equipment in the metering control cabinet can be installed in a fully redundant mode, with flow computers in standby or hot-standby.

KROHNE supplies supervisory control cabinets as a major part of the delivery of a new flow metering system or for upgrades to existing systems where the metering control cabinet would be connected to existing field instrumentation. The KROHNE expertise covers the entire design and manufacturing process. It is starting with a functional design specification, through detailed design, manufacturing and testing, up to commissioning in the field and training of the operators.

Combining the metering control cabinet with KROHNE instrumentation gives a seamless integration. Many systems have also been supplied that communicate with 3rd party instrumentation. After installation, KROHNE metering systems are supported by one of the local offices or agents that are available in over 100 countries.


  • In-house design, manufacturing and testing
  • Supervisory control systems are supplied fully wired, preconfigured and tested
  • Engineered to customer specification with customer preferred brands
  • In-house expertise to discuss custody transfer approvals with local metrology offices
  • Single source responsibility for flow metering skid, metering control cabinets, sampling and analyser systems, plus all supervisory and validation software

Typical applications

  • Custody transfer metering systems for crude and refined products and natural gas
  • Ship (un)loading, border crossing stations, custody transfer pipeline applications
  • Custody transfer measurement at refineries
  • LNG liquefaction and regasification plants

Related products


Flow computer for custody transfer (CT) measurement

  • Cost effective solution due to modular hard- and software design
  • Full colour graphical touch screen for maximum process transparency
  • Easy operator access enabling time efficient maintenance
  • Automatic Performance Monitoring extends recalibration interval

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Related solutions

Custody transfer metering systems for crude oil and refined products

Metering solution for liquids

  • Based on ultrasonic, Coriolis, turbine or PD flowmeters
  • Covering the initial design phase through to on-site commissioning and training
  • Comprising flow metering skid, flow control, metering control cabinets, sampling and analyser systems, including all supervisory and validation software

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Custody transfer metering systems for gases

Metering solution for natural gas

  • Based on ultrasonic, Coriolis, turbine or DP flowmeters
  • From initial design phase up to on-site commissioning and training
  • Comprising flow metering skid, metering control cabinets, sampling and analyser systems, and all supervisory and validation software

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Custody transfer metering systems for LNG

Metering solution for liquefied natural gas

  • Based on ultrasonic or Coriolis cryogenic flow meters
  • From large scale ship (un)loading to bunkering and truck loading
  • Comprising flow metering skid, metering control cabinets, sampling and analyser systems, and all supervisory and validation software

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Sampling systems

Automatic sampling solution for liquid hydrocarbons

  • Sampling systems for stand-alone use, or integrated into the flow metering systems
  • In-house design, manufacturing, commissioning and testing
  • Fully assembled and tested prior to shipping
  • Engineered solution to meet any special project specifications

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Analyser houses and shelters

Analyser solution for crude oil, refined products and natural gas

  • Quality measurements of crude oil, refined products and natural gas
  • Supplied with new metering systems, or as a stand-alone upgrade to existing systems
  • Engineered solutions based on customer preferred brands

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SynEnergy Supervisory and visualisation software

Solution for continuous process monitoring and reporting

  • HMI/SCADA software for measurement solutions
  • State of the art HTML5 secure web technology
  • Optimisation of operation results due to predictive maintenance
  • Easy integration into existing DCS and ERP networks

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CalSys Analyser Management software

Solution for analyser management and data acquisition (AMADAS)

  • Effective performance monitoring of quality measurement instruments (QMI)
  • Automated analyser validation and statistical process control
  • Complies with international standards and methods (ASTM D3764, ASTM D6299, OP 97-30425 etc.)
  • Increased availability of gas chromatographs and critical process analysers

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Related services

Consultancy & engineering for metering control systems

Execution of new installations or upgrades and retrofits of existing systems

  • Cost effective engineering concepts tailored to the application and installation
  • From single flow computer to fully wired and pre-configured metering houses
  • Detailed design of instrumentation plus engineering & integration
  • Site survey and feasibility studies for specific process or technical requirements

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Start-up & commissioning for metering control systems

On-site support by dedicated KROHNE engineers

  • Installation supervision for on- and offshore metering control systems
  • Complete commissioning services to assure smooth operation in the field
  • Site acceptance testing (SAT) to verify the system is working as per end-user requirements

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System calibration & validation for metering control systems

KROHNE certified validation with full audit trail

  • Additional diagnostics and monitoring to achieve full performance of the system
  • Verification of the correct firmware and software versions and parameter settings
  • Alarm and error log review
  • Periodical inspection, including environmental and metrological certification

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Operation & maintenance for metering control systems

Operational support and scheduled maintenance

  • Maintenance contracts and service level agreements with guaranteed response and mobilisation times
  • Pre-defined service rates and response times
  • 24/7 Customer support and emergency helpdesk
  • Periodical health checks and software updates
  • Troubleshooting using a remote link or by an engineer on-site

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Training for metering control systems

Workshops and seminars for operators, engineers and maintenance staff

  • Basic principles of metering control systems
  • Customised to suit the specific requirements of the operator and the application
  • Training at one of our training locations or at client premises

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