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Title: Gauges Amd Deadweight Testers
Author: Michael S. Morrison
Source: 1990 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1990
Abstract: The Eteadweight Gauge is the most accurate instrument available for the measuranent of pressures. Repeatabi readings with accuracies of 0.1% to .02% of measured pressure are obtainable. The device does not require recalibration unless the ccnxinents 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 mast instruments. With tlie addition of a pressure pump, valves, and pressure connections, the hydraulic Deadweight Gauge beccrnes a Deadweight Tester and can be used to calibrate pressure transducers and other, less-accurate pressure gauges. The pneumatic deadweight instruments are testers since they deliver aix at an accurate pressure usir an unregulated supply.

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