Consultancy & engineering for provers and master meters

From metrology and engineering concepts, through to design and quality management

  • Consultancy regarding local and international metrology requirements and certifications
  • Cost effective engineering concepts tailored to the application and installation
  • Detailed design of mechanical setup, instrumentation, E&I and software
  • Project Management and quality assurance as ISO-9001, ISO-14001 & OHSAS-18001

Consultancy & engineering for provers and master meters

From metrology and engineering concepts, through to design and quality management

  • Consultancy regarding local and international metrology requirements and certifications
  • Cost effective engineering concepts tailored to the application and installation
  • Detailed design of mechanical setup, instrumentation, E&I and software
  • Project Management and quality assurance as ISO-9001, ISO-14001 & OHSAS-18001

Overview

Flowmeters are the heart of any metering system, as they give the basic measurement of the total flow of liquid or gas, which is then used to calculate the volume or mass of the fluid product transferred from the seller to the buyer. To verify the performance of these meters and to comply with local legislation, the meters need to be verified and/or calibrated regularly, and this calibration would usually be witnessed by both parties involved in the transaction, or by an appointed third party.

As a manufacturer of flowmeters, requiring all products to be factory flow tested and calibrated, KROHNE has to equip all its own factories with many different types of calibration and prover system. All these calibration rigs are fully traceable to, and compliant with, national standards, and are used to calibrate the flowmeters sold to third parties. This gives KROHNE a depth of expertise in the design and operation of these systems, which enables them to supply similar equipment to their customers, when they require in-house calibration and prover facilities.

While many customers rely on the return of meters to the factory for regular calibration checks, or use mobile meter proving services which bring a portable prover to their establishment, sometimes it is desirable to have in-house test facilities for meter proving. Our specialists can provide support in questions regarding discussions with local metrology institutes, business plans, logistics, design and installation of such calibration facilities. KROHNE can offer advice and provide designs for unidirectional or bidirectional ball provers, in-place or mobile master meter skids, piston provers together, control systems and validation software.

Product features and options depend on device configuration: Contact us to make sure that your preferred functionality can be combined in one device.

  • In-house design of prover & calibration systems
  • National and international certifications
  • Expert process, mechanical, electrical and control systems design
  • In-depth computational expertise
  • Metrological test requirements
  • Certified quality-controlled testing processes
  • Assistance during project execution
Related solutions
Ball provers
Standalone or fully integrated prover solution
  • Engineered solutions optimised for the customer processes
  • Stand alone or integrated into the metering skid
  • Uni- and bi-directional, with diameters from 3" to 36"
Mobile provers
On-site master metering solution
  • On-site meter verification against a mobile master meter
  • Cost effective solution due to sharing between different locations
  • Lowest measurement uncertainty by periodic verification of prover against national and international standards
  • Engineered prover solution optimised for specific applications
Calibration runs and skids
Calibration solution for liquids and gases
  • Comparable systems to those used during the manufacture of KROHNE flowmeters
  • Flexible concept, with a design tailored to the requested application range of the flow control
  • Available with calibration in accordance with national and international standards
Related services
Start-up & commissioning for provers and master meters
On-site commissioning services for on- and offshore installations
  • Consultancy during the implementation of systems with KROHNE and non-KROHNE products
  • Assurance of smooth and continuous operation in the field
  • Site acceptance testing (SAT) to verify the system is working according to the requirements
System calibration & validation for provers and master meters
Periodic verification and re-calibrations
  • KROHNE certified validation with full audit trail
  • On-site or laboratory calibration of instruments
  • Adjustments according to application requirements
  • Uncertainty calculations with all parties involved
  • Periodical inspection, including environmental and metrological certification
Operation & maintenance for provers and master meters
Support for site engineers in analysis of diagnostics and system maintenance
  • Maintenance contracts and service level agreements
  • Pre-defined service rates and response times
  • 24/7 Customer support and emergency helpdesk
  • Periodic health checks and software updates
Training for provers and master meters
Improve metrology knowledge and associated skills
  • In-depth training on metrology expertise
  • Theoretical and hands-on training
  • From web-based seminars to extensive on-site workshops
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