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Title: Orifice Meter Calibration Using Portable Digital Pressure Indicator
Author: Jim Donaghey
Source: 1994 International School of Hydrocarbon Measurement
Year Published: 1994
Abstract: The increased use of Electronic Flow Measurement has brought advances to the devices used to calibrate Orifice Meters. One such device is the Portable Digital Indicator or Calibrator. In addition to the measurement of pressure, newer digital calibrators have the ability to calibrate most transducers or transmitters used with the Orifice Meter or EFM. Further advancements allow the digital calibrator to automatically record the calibration data and to communicate with software. All of the advances are, of course, enhancements to the primary considerations of accuracy, functionality, useability, and reliability based upon established standards and practices. An understanding of the primary considerations is important to the proper selection and use of digital calibrators. Recent standards published by the American Petroleum Institute (API) addresses the accuracy requirements for digital indicators.