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Meter proving provides a practical way to evaluate how a flow meter is performing under defined operating conditions. It compares the meter’s indicated volume with a known reference and produces data that can support reliable measurement in custody-transfer and process applications.
Where measured volume affects inventory, product movement or commercial transactions, relatively small measurement differences can become meaningful. Meter proving provides objective information about meter performance and can help identify changes within the measurement system.
There is no single proving schedule or procedure that applies to every installation. Requirements depend on the equipment, application and obligations governing the measurement system.
Factors may include:
Meter technology and size
Product being measured
Flow range and operating conditions
Site configuration and available connections
Previous meter performance
Maintenance or changes to the measurement system
Contractual and internal operating requirements
Applicable standards and regulations
Proving frequency, acceptance criteria and test procedures should be confirmed for the specific installation. General industry information should not replace the requirements established for the application.
Field proving is completed at the installed location, with the meter evaluated as part of the site’s measurement system. It can provide useful performance information under operating conditions without removing the meter from the installation.
Laboratory calibration is completed in a controlled facility using a reference system and defined test points. It may be appropriate for new, serviced or removable meters, or when performance needs to be evaluated across a broader operating range.
These methods serve different purposes and are not automatically interchangeable. The appropriate approach depends on the meter, product, installation, measurement objective and applicable requirements.
Trillium provides field meter proving and related measurement support for liquid applications. Before confirming a scope, our team reviews the meter, product, flow range, site configuration, available connections, operating conditions and reporting requirements.
On-site liquid meter proving using mobile equipment
Support for turbine, positive displacement and Coriolis meters
Proving documentation and data review
Measurement-system troubleshooting and project support
The equipment and proving method are confirmed based on the application and site conditions.
Share the meter type, line size, product, operating range and site location. Our team can review the application and identify the information needed to prepare an appropriate scope.
Information on this page is provided for general informational purposes. Applicable regulations, standards, contracts, operating procedures and manufacturer recommendations should be reviewed for each installation.