What is an allowable performance in the meter creep test?

The meter creep test is designed to assess the performance of a device in terms of how it functions under specific conditions over time. An allowable performance indicates the maximum acceptable duration for the meter to complete a specific task, in this case, revolutions.

In the context of the meter creep test, a complete revolution in greater than 10 minutes is considered acceptable because it signifies that the meter is functioning within the required limits for accuracy and reliability. This performance metric is crucial as it helps to ensure that meters are operating correctly under low or no-load conditions, which is essential for maintaining accurate measurement in practical applications.

Other options imply faster or no revolutions, which would exceed acceptable performance criteria and may indicate that the meter is malfunctioning or not meeting the required standards for accuracy. Therefore, the option indicating that one complete revolution takes greater than 10 minutes aligns with the typical expectations for acceptable performance in such tests.