Study of a 2 kNm torque transducer tested at GUM and PTB, including creep behaviour
DOI:
https://doi.org/10.2478/msr-2024-0012Keywords:
Torque, Torque Transducer, Wind Energy, Uncertainty, Creep, CalibrationAbstract
This article describes the metrological characterisation of a 2 kN·m torque transducer carried out at the Central Office of Measures (GUM) and Physikalisch-Technische Bundesanstalt (PTB). The weighted least squares method was used to come up with the linear regression equations for this torque transducer. The Monte Carlo method and the law of uncertainty propagation were used to calculate the expanded uncertainty. Additionally, a creep study was conducted at eight measurement points ranging from 200 N·m to 2000 N·m. Investigations have shown that the the highest readings of the torque transducer, expressed in electrical units as mV/V, occur within the initial few seconds of testing upon the removal of the maximum reference torque.
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