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|Author(s):||John D. Wright;|
|Title:||Laboratory Primary Standards|
|Published:||April 01, 2000|
|Abstract:||Commonly used primary calibration techniques for the measurement of liquid and gas flows are described. The techniques described include: static gravimetric and dynamic gravimetric methods for both gases and liquids, liquid piston displacement provers, gast piston provers, gas bell provers, the liquid displacement method for gas flow measurement, pressure-volume-temperature-time standards, rate of rise systems, and primary flow meters. The significant components of uncertainity and typical uncertainty levels for the various methods are discussed.|
|Publisher:||ISA, Research Triangle Park, NC|
|Keywords:||calibration,flow measurement,flow standard,gravimetric,primary flow standard,prover,volumetric|
|Research Areas:||Flow, Pressure & Vacuum, Measurement Standards|
|PDF version:||Click here to retrieve PDF version of paper (378KB)|