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Title: A New Method For Automated Calibration Of Low Pressure Transfer Standards
Author: Robert Haines, Michael Bair
Source: 2002 Measurement Science Conference
Year Published: 2002
Abstract: Maintaining traceability for transfer standards in the range of 10 Pa to 5 kPa is critical to many calibration laboratories. However, standards with suitable uncertainty that can also be practically implemented in the typical laboratory have not been available. A new pressure standard based on piston-cylinder technology has been developed that provides the measurement uncertainty needed to support todays rapidly improving transfer standards, requires no special facilities and runs fully automated calibration sequences. The new standard has been implemented in the DH Instruments, Inc. (DHI) accredited metrology laboratory. Various laboratory transfer standards have been calibrated, in particular capacitance diaphragm gauges, giving new insight into the behavior of these devices.

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