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Title: Effective Use Of Deadweight Testers
Author: Myles J. Mcdonough
Source: 2003 International School of Hydrocarbon Measurement
Year Published: 2003
Abstract: The Deadweight Gauge is the most accurate instrument available for the measurement of pressures. Repeatable readings with accuracies of 0.1% to 0.02% of measured pressure are obtainable. The device does not require recalibration unless the components have excessive wear or weights are replaced. It is easily transported and set up in the field, requires minimum maintenance, and is simple to operate. Tripod mounting is available for most instruments. With the addition of a pressure pump, valves, and pressure connections, the hydraulic Deadweight Gauge becomes a Deadweight Tester and be used to calibrate pressure transducers and other, less accurate dial faced type of pressure gauges. The pneumatic deadweight instruments are testers since they deliver air at an accurate pressure using an unregulated supply.

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