Current State of the Standards Base Used in the Russian Federation in the Field of Length and Angle Measurements.
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| Title: | Current State of the Standards Base Used in the Russian Federation in the Field of Length and Angle Measurements. |
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| Authors: | Zackharenko, Yu. G.1 (AUTHOR) Y.G.Zackharenko@vniim.ru, Kononova, N. A.1 (AUTHOR), Kosmina, M. A.1 (AUTHOR), Fomkina, Z. V.1 (AUTHOR), Chekirda, K. V.1 (AUTHOR) |
| Source: | Measurement Techniques. Oct2022, Vol. 65 Issue 7, p482-486. 5p. |
| Subjects: | Length measurement, Laser measurement, Primaries, Measuring instruments, Frequency standards |
| Geographic Terms: | Russia |
| Abstract: | The paper describes the current state of the standards base used in the Russian Federation in the field of length and angle measurements. The description and main metrological characteristics of GET 2-2021 State Primary Standard of the Unit of Length — the Meter and GET 22-2014 State Primary Plane Angle Standard are provided. The authors cover the capabilities of the D. I. Mendeleyev Institute for Metrology (VNIIM) for conducting calibration, type approval tests, verification, and certification of modern high-precision length and plane angle measuring instruments, whose operating principle relies on the use of stabilized laser sources. GET 2-2021 enables the transfer of the length unit to laser sources within the wavelength range of 500–1050 nm by means of an equipment set comprising an optical frequency comb and a hydrogen frequency standard, as well as to laser measurement systems within the range of 1∙10−9–30 m using laser interference comparators. GET 22-2014 provides the transfer of the plane angle unit to laser measurement systems within the range of 0–360° using a rotary table and digital autocollimators. The paper grounds the necessity of the traceability of laser sources and laser measurement systems to state primary standards while considering further prospects for the development of the measurement standards base in the field of length and angle measurements. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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| Abstract: | The paper describes the current state of the standards base used in the Russian Federation in the field of length and angle measurements. The description and main metrological characteristics of GET 2-2021 State Primary Standard of the Unit of Length — the Meter and GET 22-2014 State Primary Plane Angle Standard are provided. The authors cover the capabilities of the D. I. Mendeleyev Institute for Metrology (VNIIM) for conducting calibration, type approval tests, verification, and certification of modern high-precision length and plane angle measuring instruments, whose operating principle relies on the use of stabilized laser sources. GET 2-2021 enables the transfer of the length unit to laser sources within the wavelength range of 500–1050 nm by means of an equipment set comprising an optical frequency comb and a hydrogen frequency standard, as well as to laser measurement systems within the range of 1∙10−9–30 m using laser interference comparators. GET 22-2014 provides the transfer of the plane angle unit to laser measurement systems within the range of 0–360° using a rotary table and digital autocollimators. The paper grounds the necessity of the traceability of laser sources and laser measurement systems to state primary standards while considering further prospects for the development of the measurement standards base in the field of length and angle measurements. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 05431972 |
| DOI: | 10.1007/s11018-023-02116-w |
