What action should be taken when the pressure difference between a meter and prover increases from 10 psi to 25 psi while testing?

In the context of testing flow meters and provers, maintaining an appropriate pressure difference is essential for ensuring accurate measurement and optimal performance. An increase in pressure difference from 10 psi to 25 psi indicates a significant change that could potentially affect the reliability and accuracy of the test results.

When the pressure difference exceeds a certain threshold, it could lead to problems such as increased turbulence, diminished flow stability, and could even risk damaging the meter or prover. Therefore, when such a notable increase is observed, it is prudent to stop the testing process to evaluate the situation further.

Ceasing the testing allows for a thorough investigation of the cause of the pressure change and ensures that any potential risks to equipment and measurement integrity can be addressed before continuing. It also minimizes the likelihood of gathering misleading data, which can occur if testing is carried out under non-ideal pressure conditions. Taking action to stop testing in these circumstances is essential for providing reliable measurement outcomes in compliance with industry best practices.