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GET 149-2023 state primary standard of the unit for torque

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Measurement Techniques Aims and scope

Abstract

The article considers issues associated with the metrological support of high-precision instruments for measuring a torque of below 1.0 Nm. The areas of activity in which torque measurement is important are outlined. The authors describe the development history of the top-level standards base as an important element in the metrological support of torque measurement in the Russian Federation while providing brief information on the development level of the standards base in this measurement field abroad. Due to the increasing number of torque measuring instruments having an upper measurement limit of below 1.0 Nm, it became necessary to expand the measurement and calibration capabilities of the Russian Federation in this field, specifically within the range of 0.1–1.0 Nm. The composition of GET 149-2023 State primary standard of the unit for torque is given. The operating principles of four standard systems included in GET 149-2023 and the design of the standard are described. The created modern standard system EU-250‑2 was included in GET 149-2023 for reproducing, maintaining, and disseminating the unit for torque within the range of 0.1–200 Nm. The results of studying the standard system EU-250‑2 and the metrological characteristics of GET 149-2023 are presented.

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Notes

  1. GOST 8.541-86. GSI. State Primary Standard and State Verification Schedule for Means Measuring Torque of Force.

  2. Rosstandart Order No. 1717 of May 12, 2010 “On Approval of the State Primary Standard of the Unit for Torque.”.

  3. GOST R 8.752-2011. GSI. State Verification Schedule for Means Measuring the Torque of Force.

  4. Rosstandart Order No. 1794 of July 31, 2019 “On Approval of the State Hierarchy Scheme for Torque Measuring Instruments.”.

  5. Approved types of measuring instruments. available at: https://fgis.gost.ru/fundmetrology/registry/4 (accessed: December 19, 2023).

  6. GOST 33530-2015 (ISO 6789:2003) Assembly Tools for Standardized Tightening of Threaded Connections. Torque Wrenches. General Specifications.

  7. GOST R 8.796-2012. GSI. Torque Measuring Devices. Verification procedure.

  8. ISO 6789-1:2017. Assembly Tools for Screws and Nuts—Hand Torque Tools—Part 1.

  9. DIN 51309:2022-08. Materials Testing Machines—Calibration of Static Torque Measuring Devices.

  10. BSI BS 7882-2017. Method for Calibration and Classification of Torque Measuring Devices.

  11. Calibration Guide EURAMET cg-14. Version 2.0 (03/2011). Guidelines on the Calibration of Static Torque Measuring Devices.

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Correspondence to Boris A. Cherepanov.

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B.A. Cherepanov, P.V. Migal and G.V. Horkov declare that they have no competing interests.

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Translated from Izmeritel’naya Tekhnika, Vol. 73, No. 1, pp. 19–25, January, 2024 Russian DOI: https://doi.org/10.32446/0368-1025it.2024-1-19-25

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Cherepanov, B.A., Migal, P.V. & Horkov, G.V. GET 149-2023 state primary standard of the unit for torque. Meas Tech (2024). https://doi.org/10.1007/s11018-024-02316-y

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  • DOI: https://doi.org/10.1007/s11018-024-02316-y

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