Proving Systems
Large volumes and/or high-value products and/or a need to reduce an unacceptable system balance necessitate proving a meter. Provers are permanently installed at larger facilities, or can be portable. For products of lower value, metering is assumed correct until a process goes out of control or a meter breaks down and requires repair or replacement.
The proving of meters for gas and liquid flow is discussed in this chapter, including the types in use, how they are used and the advantages and drawbacks of the different types.
Keywords
prover; proving; meter; gas; liquid; flow; calibrate; critical flow; measurement
The necessity of proving a meter depends on the value of accurate measurement for the product being handled (Figure ...
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