Flow engineering

Flotech have decades of experience in flow engineering and have a deep understanding of how this testing can help to improve your operations.

What is meter proving? 

A meter prover is a crucial device used to check the accuracy of flow meters, whether measuring liquid or gas. Its primary purpose is to calibrate flow meters, ensuring their precision in determining the flow rate of substances. By employing a prover, meter proving is conducted to validate the accuracy of flow measurements. This process is essential for various industries to guarantee that flow meters perform reliably.

Meter proving helps establish critical factors such as the K factor, accuracy, linearity across the flow range, and repeatability of the flow meter. By uncovering deviations, the prover assists in determining the accuracy of the meter. These deviations, measured by the factor meter, highlight the extent of flow and enable adjustments to be made for any inaccuracies resulting from installation or operational factors.

Flotech have decades of experience in flow engineering and have a deep understanding of how this testing can help to improve your operations.

The importance of proving your flow meters

Ensuring the accuracy and reliability of flow meters is paramount in industrial operations, and meter proving stands as a critical practice for several reasons.

Adapting to real-world conditions

Operating conditions in the field often deviate from the controlled settings under which meters are initially calibrated. Factors such as installation effects, mechanical wear, and fluctuations in the physical properties of the measured fluid can significantly impact a flow meter's performance. Meter proving is the proactive measure taken to adjust flow meters to these real-world changes, guaranteeing precise measurements in dynamic environments.

Periodic maintenance for ongoing accuracy

Most flow meters are subjected to periodic proving, aligning with the dynamic nature of industrial processes. Some may even require proving for each batch transaction, emphasising the importance of ongoing calibration. This practice is identical to recalibrating flow meters, establishing a vital relationship between meter output and fluid flow rate. By correcting variations resulting from operational conditions, mechanical wear, and fluid property changes, regular proving becomes a cornerstone of maintaining accuracy and reliability.

Akin to health check for the entire system

Meter proving is not merely about assessing individual components; it serves as a comprehensive check on the entire meter system. Beyond identifying issues like meter dirtiness or debris from construction, proving ensures the overall health and accuracy of the meter. It acts as a diagnostic tool, uncovering potential challenges that may compromise the efficiency of the entire system.

Proactive error detection and correction

By embracing meter proving, industrial operators can proactively detect and correct errors in the flow meter system. Whether caused by contaminants, wear and tear, or other operational challenges, proving acts as an early warning system, allowing for timely adjustments and maintenance. This proactive approach minimises the risk of inaccurate readings and potential disruptions in operations.

In essence, proving your flow meters is not just a routine task; it's a strategic initiative to uphold accuracy, reliability, and the seamless functioning of your industrial processes.

Added value


Allow accurate and efficient blending into the main product line.


We always custom-build to your requirements.


Decades of experience in fluid transfer.

Measurement and flow

We are hyper-focused on measurement and flow.


No exposure to potentially dangerous additives

Here to help with seamless delivery and management of your next process industry project.

Our experts are available to advise, support, and assist with any issues relating to your storage tanks and liquid process infrastructure ensuring you have a safe site, prevent any pollution, and remain operational.

Speak to our experts