Gas Technology Institute
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Metering Research Facility Program: Effects of ...

SKU: GRI-04/0207
Metering Research Facility Program: Effects of Turbine Meter Cartridge Change-out on Measurement Uncertainty

Tests were performed at the SwRI Metering Research Facility Low Pressure Loop to quantify changes in turbine meter calibration due to industry cartridge change-out practices. Tests involved four models of natural gas turbine meters, and included meters with standard and high flow capacities, single-rotor and dual-rotor meters, and new and used meters
Document Type
Report
Report Type
Topical report
Report Period
03/04 - 08/04
Corporate Source
Southwest Research Institute, San Antonio, TX
Sponsor
GRI, Des Plaines, IL
Pagination
48p
Product Media
PDF Download
$295.00 / Each
 
Availability: In Stock
Summary:
Tests were performed at the SwRI Metering Research Facility Low Pressure Loop to quantify changes in turbine meter calibration due to industry cartridge change-out practices. Tests involved four models of natural gas turbine meters, and included meters with standard and high flow capacities, single-rotor and dual-rotor meters, and new and used meters. Calibration factors were determined for each cartridge in three different bodies. Results were compared to assess potential measurement uncertainties of a cartridge installed in a body other than the one in which it was calibrated. Percent spreads in primary rotor calibration factors ranged from ±0.01% to ±0.35% about the midpoint value. The percent spreads between bodies in calibration factors and flow rates from secondary rotors ranged from ±0.03% to ±0.17% about the midpoint value. Half of this observed spread may be attributed to test reproducibility, while half may be attributed to changes in cartridge position related to body dimensional variations. Evidence suggests that newer bodies, or meter bodies for which dimensional variations are smallest, will produce the smallest variations.
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