| Issue |
MATEC Web Conf.
Volume 363, 2022
5th International Conference on Advances in Materials, Machinery, Electronics (AMME 2022)
|
|
|---|---|---|
| Article Number | 01016 | |
| Number of page(s) | 4 | |
| Section | Research papers | |
| DOI | https://doi.org/10.1051/matecconf/202236301016 | |
| Published online | 29 August 2022 | |
Research on calibration method of indication error of grade III standard metallic scale based on length measuring machine
Hubei Institute of Measurement and Testing Technology, Wuhan, Hubei, China
A calibration method of indication error of grade III standard metallic scale based on length measuring machine is proposed. The existing length measuring machine is reformed to realize the calibration of the indication error of grade III standard metallic scale. According to the proposed calibration method, the evaluation model of measurement uncertainty is established, and the source of uncertainty is analysed. The expanded uncertainty is less than one third of the maximum permissible error specified in the verification regulation, which verifies the feasibility and effectiveness of the calibration method.
Key words: Metrology / grade III standard metallic scale / length measuring machine / uncertainty in measurement
© The Authors, published by EDP Sciences, 2022
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