Evaluation of Measurement Uncertainty in Calibration Standard Gravimetric Installationfor Water Flowmeters Verification |
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| Gabriel Constantin Sârbu |
- Abstract:
- The paper refers to evaluation of measurement uncertainty in calibration standard gravimetric installation for water meter verification/calibration. For design and construction of a standard gravimetric installation for water meters verification/calibration, is taken account of all metrological, constructive and functional requirements and uncertainty.All the individual uncertainty components of the gravimetric installation for water meters verification should have predefined values and provide for the total extended measurement uncertainty of the installation a smaller value. For the calibration of gravimetric installations, weighing instruments, measuring instruments for environmental conditions (thermometer, hygrometer, barometer), thermometers for measuring water temperature are required.Measurement uncertainty evaluation involves determining the influence factors of the calibration. The main factors of influence are: the linearity correction of balance, the uncertainty of the calibration of the balance (taken from the calibration certificate), derive the balance indication with the temperature and the resolution of the balance, correction for archimedical force, correction due to liquid evaporation; correction due to leakage.
- Keywords:
- uncertainty of measurement, gravimetric installation, weighing scale, water flowmeter, mass
- Download:
- IMEKO-TC4-2017-093.pdf
- DOI:
- -
- Event details
- IMEKO TC:
- TC4
- Event name:
- TC4 Symposium 2017
- Title:
22nd IMEKO TC4 Symposium and 20th International Workshop on ADC Modelling and Testing
"Supporting world development through electric&electronic measurements"- Place:
- Iasi, ROMANIA
- Time:
- 14 September 2017 - 15 September 2017