Below is a list of flow measurement calibration capabilities including NIST traceable calibration ranges for the facilities in Colorado and Iowa. These facilities are accredited to ISO/IEC 17025, as explained by the quality assurance program. CEESI can perform calibrations in accordance with a wide variety of industry standards.

Air Facilities

• Flow Rate Range: 8.3E-05 to 85 lbm/sec
• Calibration Pressure Range: 12.1 (ambient) to 2200 PSIA
• Uncertainty: 0.11% to 0.50% in mass flow rate
• Test Fluid: Air
• Standard Range of Line Sizes: 0.25” to 36”
• Typical Meter Types: Venturis, Coriolis, Ultrasonic, Differential Pressure meters and most other meter technologies
• Location: Nunn, Colorado

Iowa High Flow Natural Gas

• Flow Rate Range: 42 to 1,330,000 ACFH
• Calibration Pressure Range: 900 to 1100 PSIG (determined by operating pressure of pipeline)
• Uncertainty: 0.16% to 0.24% in volumetric flow rate
• Test Fluid: Natural Gas
• Standard Range of Line Sizes 3" to 36"
• Typical Meter Types: Ultrasonic Meters, Turbine Meters, Differential Pressure Meters
• Location: Garner, Iowa

Water Lab

• Flow Rate Range: 0.1 to 1950 GPM
• Calibration Pressure Range: < 45 PSIG
• Uncertainty: 0.10% in mass flow rate
• Test Fluid: Water
• Standard Range of Line Sizes 0.25" to 12"
• Typical Meter Types: Magnetic Meters, Turbine Meters, Coriolis Meters
• Location: Nunn, Colorado

Compressible Gases

• Flow Rate Range: 0.000015 to 1 lbm/sec
• Calibration Pressure Range: 12.2 to 1500 PSIA
• Uncertainty: 0.11% to 0.50% in mass flow rate
• Test Fluid: Specialty Gases*
• Standard Range of Line Sizes 0.25" to 2"
• Typical Meter Types: Venturis Meters (critical flow and dP), Mass Flow Meters, Differential Pressure Meters
• Specialty Gases: Nitrogen, Helium, Hydrogen, and Oxygen (additional gases available upon request)
• Location: Nunn, Colorado

Wet Gas Test Facility

• Flow Rate Range (Natural Gas): 600 to 90,000 ACFH
• Flow Rate Range (Water): 0.03 to 110 GPM
• Flow Rate Range (Liquid Hydrocarbon): 0.19 to 110 GPM
• Calibration Pressure Range: 200 to 1200 PSIA
• Uncertainty (volumetric gas flow rate): 0.50%
• Uncertainty (mass liquid flow rate): 0.20%
• Test Fluids: Natural Gas, Water (Fresh or Salt), Liquid Hydrocarbon (Exxsol D80)
• Standard Range of Line Sizes: 2" to 12"
• Typical Meter Types: Multiphase Meters, Differential Pressure Meters, Turbine Meters
• Location: Nunn, Colorado

Dry Gas Loop

• Flow Rate Range: 0.000015 to 20 lbm/sec* or ~300 to 60,000 ACFH
• Calibration Pressure Range: 200 to 1000 PSIG
• Uncertainty: 0.33% to 0.50% in mass flow rate
• Test Fluid: Natural Gas
• Standard Range of Line Sizes 0.25" to 8"
• Typical Meter Types: Turbine Meters, Coriolis Meters (other Mass Flow Meters), Differential Pressure Meters
• Location: Nunn, Colorado