Considerations for ensuring the quality of measurement with ultrasonic gas flow meters

  • 1 Technical University – Sofia, Bulgaria


The article provides information about the factors that have major impact on the ultrasonic gas flow measurement of natural gas. Their considerations will help to the provision of reliable, high-quality and accurate measurement results, well acceptable for all parties in a custody transfer of natural gas.



  1. Daniel Heinig, Jörg Wenzel , Dr. Alexander Nerowski, Toralf Dietz ―An innovative approach to increase diagnostic sensitivity in ultrasonic flow meters‖, [36th North Sea Flow Measurement Workshop October 22 to 25, 2018].
  2. Thomas Horst, Alexander Jakschik, Toralf Dietz, Henk Riezebos, Dr. Volker Herrmann ―Considerations on the influence of deposits or changes in wall roughness on the validity of the calibration and long term accuracy of ultrasonic gas flow meters‖ [29th International North Sea Flow Measurement Workshop 25th – 28th October 2011].
  3. ISO 17089-1:2019, Measurement of fluid flow in closed conduits — Ultrasonic meters for gas — Part 1: Meters for custody transfer and allocation measurement.
  4. Idriz Krajcin, Martin Uhrig, Andrew Wrath, Toralf Dietz, Dr. Volker Herrmann ―Impact of regulator noise on ultrsonic flow meters in natural gas‖.
  5. Daniel Heinig, Toralf Dietz, Jörg Wenzel, Claus Girschik ―Experiences with Permanent Series Connection of Ultrasonic Gas Flow Meters (USM) in the German Gas Market‖ [35th North Sea Flow Measurement Workshop October 24 to 26, 2017].

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