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Calibration Capabilities

Below is a list of flow measurement calibration capabilities including NIST traceable calibration ranges for the calibration facility in Colorado and the high flow natural gas calibration facility in Iowa. Both Colorado and Iowa facilities are accredited by NVLAP, as explained by the quality assurance program. Contact us if you have questions about the capabilities of the wet gas/hydrate/multiphase research and development facility in Colorado. CEESI also offers a wide range of engineering consulting and analysis including total system uncertainty analysis, flow measurement audits, and on-site calibrations.

NIST Traceable Calibration (Colorado)

  • Primary air calibration with 0.10% uncertainty
  • Secondary air calibration with 0.30% - 0.50% uncertainty
  • Liquid calibration with 0.10% uncertainty
  • Air flowrates to 200 lb/sec
  • Air pressure to 2200 psia
  • Liquid flowrates to 2000 gpm
  • Liquid pressure to 1800 psia
  • Air line sizes to 120 inches
  • Other gases such as N2, He, CO, CO2, Ar, CH4, O2, H2, Natural Gas, and mixtures
  • Custom calibration
 
NIST Traceable Calibration (Iowa)

  • Nominal Flowing Pressure of 1,050 psia
  • Flowrate Uncertainty of 0.23%
  • Natural gas flow range of 30 - 20,000 acfm (high Reynolds numbers)
Meter Sizes Calibrated (Colorado)
  • Virtually any meter size (call for information)
 
Meter Sizes Calibrated (Iowa)
  • Line Sizes: 4 - 36 inches (for 600 class meters)
Meter Types Calibrated (Colorado)
  • Critical Flow Venturis/Nozzles
  • Sharp-edged Orifice Meters
  • Laminar Flow Elements
  • Turbine Flowmeters
  • Swirlmeters
  • Coriolis Meters
  • Positive Displacement Meters
  • V-Cone Flowmeters
  • Insertion Meters
  • Valves used for Measurement & Control
  • Subsonic Venturis/Nozzles
  • Multiple Venturi/Nozzle Assemblies
  • Variable Area Flowmeters(Rotameters)
  • Vortex Shedding Flowmeters
  • Magnetic Flowmeters
  • Ultrasonic Flowmeters
  • Thermal Mass & Velocity Meters
  • Anemometers & Velocity Meters
  • Flowmeter/Flow Computer Combinations
  • Custom Meters
   
Meter Types Calibrated (Iowa)
  • Ultrasonic Flowmeters
  • Turbine Flowmeters
  • V-Cone Flowmeters
  • Coriolis Meters
  • Subsonic Venturis/Nozzles
  • Sharp-edged Orifice Meters
  • Critical Flow Venturis/Nozzles
  • Flowmeter/Flow Computer Combinations
  • ANNUBAR Flow Meters
  • Custom Meters
Valve Testing (Colorado)
  • Line sizes to 36 inches
  • Mass flowrates to 500 lbm/sec
  • Pressure to 2000 psi
  • Types include control, ball, safety relief, check, subsurface safety valves, gas lift, and plug valves
  • Tests include flow coefficient (Cv), FL, stem loading, noise, cracking pressure
 
Valve Testing (Iowa)
  • Valve Noise Testing
Turnaround (Colorado)

Average turnaround is two weeks. One, three, and five day turnarounds are available with prior scheduling.
 
Turnaround (Iowa)
Average turnaround is one to two weeks. One and two day turnarounds are available with prior scheduling.
   
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CEESI provides NVLAP accredited flow meter calibrations
NVLAP Accreditation


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