Russian Federation
Russian Federation
Russian Federation
Purpose: To develop a calibration method, analyze the use of domestic calibration tools and compare them with foreign measuring tools. To undertake a feasibility assessment, with the aim of constructing a methodology for calibration. Methods: A comparison was made of the metrological characteristics of measuring instruments used in calibration, with analytical and graphical methods being utilized in the process. The risk assessment was conducted employing the Ishikawa diagram. Results: The potential for calibrating the complex of automated ultrasonic control of hollow axles of SHUTTLE R wheelsets using domestic measuring instruments has been ascertained. A comparison of the metrological characteristics of the calibrated measuring instruments made it possible to substantiate the expediency of developing a unified calibration methodology for several types of measuring instruments. The analysis of measurement methods, domestic measuring instruments, calibration standards, and their use has been justified. A thorough analysis of domestic calibration tools has revealed their capacity to fulfil the measurement tasks during the calibration process. The method of transmitting a unit of magnitude has been defined. An evaluation of the risks associated with the utilization of calibration techniques has been conducted. Practical significance: The introduction of domestic measuring instruments has been identified as a potential catalyst for stimulating the country’s economy. The multi-type calibration methodology provides a comprehensive calibration approach and simplifies calibration procedures. The novel technique facilitates a more precise evaluation of the metrological characteristics of the measuring instrument and enhances the reliability of measurement outcomes. This approach is expected to enhance the metrological support process, reduce time and material costs, and ensure the uniformity of calibration procedures for technically similar measuring instruments. In the context of technological sovereignty, the development of domestic measuring tools is a strategically important task that requires coordination of efforts by manufacturers, metrological services and regulatory authorities.
Measuring installation, calibration, etalons, measurement methods, measurement error
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