Operations
This chapter discusses choosing the correct meter type for a specific application. The primary consideration for custody transfer measurement is to minimize flow variations by maintaining better control of the flow rate. This may not always be possible, so meters with appropriate ranges, or multiple meters should be selected. Significant financial risk is at stake in this type of operation, and proper operation is vital.
Different types of meters have uncertainties that change in different ways over the range of flow that they can measure. This must be taken into account when choosing a meter. An estimation of the flow metering performance under given operating conditions can be made with an uncertainty calculation. These are explained ...
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