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SMIIC MC Training on Calibration of Gas and Liquid Flowmeters

The 37st SMIIC MC Training within the SMIIC MC Work Plan 2021 – 2023 V2 was the Training on Calibration of Gas and Liquid Flowmeters that took place on the 19 December 2022 virtually, technically hosted by SMIIC General Secretariat.  15 experts participated in the training.

The training was hosted by NMI: Tübitak UME – Turkey

General Description: The training covers general and practical aspects of Calibration of Gas and Liquid Flowmeters.

Objective, expected outcome: To provide knowledge and to develop skill of participants in Calibration of Gas and Liquid Flowmeters.

Who should attend: The training would be attended by staff working in Gas or Liquid Flow Laboratories at the level of National Metrology Institutes or secondary level calibration laboratories.


Guide to the expression of uncertainty in measurement (GUM)

ISO/IEC 17025:2016 Testing and Calibration Laboratories

ISO 5168 Measurement of Fluid Flow-Estimation of uncertainty a flow-rate measurement

ISO 9951 Measurement of Gas Flow in Closed Conduits-Turbine Meters

ISO 4185 Measurement of liquid flow in closed conduits-Weighing method

ISO 4064 Water meters for cold potable water and hot water

Duration of training: 4.5 hours (19 September 2022)


Başak AKSELLİ PhD (basak.akselli@tubitak.gov.tr)

Hakan KAYKISIZLI (hakan.kaykisizli@tubitak.gov.tr))

Time Schedule: 10:30 – 15:00


  • General information about flow measurement
  • Primary Liquid Flow Measurement Systems and uncertainty parameters
  • Liquid flowmeters
  • Basic principles of gas flowmeter Calibrations
  • Primary and secondary Gas Flow Measurement Systems