Key Company Details
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Operations began in 1951 at the University of Colorado (more on our history)
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Perform ISO/IEC 17025 accredited calibrations since 2004 (more on quality assurance)
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Flow meter calibrations are traceable to the SI through NIST (more on Traceability)
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Staff have decades of experience (more on Our Staff)
- Facilities in Colorado, Iowa, and Illinois
- CEESI is a subsidiary of Applied Technical Services, LLC (Read Announcement)
Contribution to Measurement Committees & Standards Development
Throughout the years, CEESI engineers have been heavily involved with a variety organizations involved in flow measurement and standards development. CEESI engineers have:
- Worked on writing/developing standards for AGA, ISO, and ASME
- Served on committees for ASGMT, ASME, ISO, AGA, GRI, API, GTI, NAFFMC, and AGMSC
- Taught presented/instructed at: ISHM, ASGMT, AGMSC, SGA, ISFFM, and MMSS
- Supervised flow measurement testing for portions of AGA 7
Major Calibration Test Areas
Iowa Natural Gas Facility
The facility in taps into a 42 inch line in order to run natural gas tests on a wide range of meters.
Wet Gas/Multiphase Facility
This facility can test a variety of fluid mixtures and is often used to help companies test new meter designs.
Jupiter
This automated test stand is used to test meters at low/medium flow rates. PDF Flyer
Water Lab
Our water lab can test a wide range of meters types on water.
Saturn
This automated test stand is used to test meters at low flow rates. PDF Flyer
Pluto
This automated test stand is used to test meters at very low flow rates. PDF Flyer
Services by Meter Type
While we can calibrate any type of flow meter, we offer an even wider range of services for meter types including:
Company Timeline In Brief
Full History with Pictures
- "Engineering Experiment Station" began at University of Colorado (1951)
- Laboratory operations moved to Nunn, Colorado (1966)
- Organization reincorporated as a for-profit company by Walt Seidl and Steve Caldwell (1986)
- Water Lab at the Colorado facility completed (1990)
- CEESI began offering flow measurement training courses (1991)
- Wet Gas Test Facility in Colorado completed (1999)
- Iowa Natural Gas Facility completed (1999)
- CEESI hosts the 4th ISFFM as secretariat (1999)
- CEESI hosts the first Ultrasonic Meter Seminar (2001)
- CEESI hosts the 5th ISFFM as secretariat (2002)
- CEESI earns ISO/IEC 17025 accreditation (2004)
- CEESI hosts the 6th ISFFM as secretariat (2006)
- Wet Gas Test Facility upgraded to 4 inch system that can measure multiphase fluids (2007)
- CEESI Technical Library went online (2007)
- CEESI hosts the 7th ISFFM as secretariat (2009)
- Wet Gas/Multiphase Facility upgraded to 8 inch system that can measure multiphase liquids (2011)
- Calibrations services in Colombia added (2011)
- The Ultrasonic Meter User's Workshop is hosted in 3 countries for the first time (2011)
- CEESI hosts the 8th ISFFM as secretariat (2012)
- CEESI hosts its first ultrasonic workshop in Europe (2012)
- Iowa natural gas facility upgrades low flow capabilities (2013)
- Wet Gas/Multiphase Facility upgraded to handle custom liquids (2013)
- CEESI hosts the 9th ISFFM as secretariat (2015)
- Liquid Hydrocarbon Flow Calibration Facility Built (2015)
- Steve Caldwell Retires (2016)
- Rich Schoonover appointed to President (2017)
- CEESI hosts the 10th ISFFM as secretariat (2018)
- Three new automated test stands added (2021)
- CEESI purchased by Applied Technical Services, LLC (2022)
Colorado Facility
54043 County Road 37
Nunn, Colorado 80648
970-897-2711
Iowa High Flow Facility
2365 240th St.
Garner, Iowa 50438
641-923-3664