Gas custody transfer flow computers that calculate flow in pipelines by measuring the differential pressure across a flow restriction, such as an orifice plate or other differential pressure flow device, require special calibration to perform at optimum accuracy.
Custody transfer metering system, fiscal metering skid, crude oil metering system
Laboratory gas sub-metering use thermal flow meters, save money
Fiscal Metering – a useful guide - Thyson Technology
4 Steps to Select the Correct Natural Gas Flow Meter - Linc Energy
Flow Meter Calibration » Banlaw
Fluke Corporation: Gas Custody Transfer Calibration
Pressure transmitter calibration at the bench
Fluke Corporation: Gas Custody Transfer Calibration
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Fluke Catalog, Pressure Calibration Application and Solutions
Emerson Exchange 365