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Measurement and Meters

Characteristics to be considered when evaluating a meter include: achievable uncertainty, comparative cost, use acceptance and specific use, repeatability, maintenance costs, operating cost, few or no moving parts, ruggedness, service life, rangeability, style to meet fluid property problems, pressure and temperature ratings required, ease of installation and removal, power required, pressure loss caused by meter (running and stopped), and how well calibration can be proved. Meter selection and application are considered in this chapter. The characteristics of different types of meter (orifice, flow nozzle, Venturi, Coriolis, ultrasonic Doppler) are summarized. Meter characteristics discussed include meter factor, rangeability, ...

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