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State Primary Special Standard Get 190-2019 for Acceleration in Gravimetry

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Measurement Techniques Aims and scope

The composition, principle of operation and basic metrological characteristics of the State Primary Special Standard of acceleration for gravimetry GET 190-2019 are given. The standard is the top link of the reference base for gravitational acceleration measurements. The accuracy and reliability of GET 190-2019 have been increased as a result of optimization of methods for adjusting measuring systems and the inclusion of improved systems, assemblies and modern element base in its composition. Particular attention is paid to the refinement of the corrections introduced into the measurement results due to methodological, physical and technical limitations. The applied research methods made it possible to confirm the range of GET 190-2019, as well as to determine the contributions of the main sources and the total value of the error. The metrological characteristics of GET 190-2019 are confirmed by the results of measurements of the absolute value of gravimetric acceleration at the gravimetric station Lomonosov-1 and their comparison with the data obtained at different times using high-precision foreign and domestic gravimeters. The relevance of the work is determined by the requirements of applied problems whose solution requires data on the parameters of the Earth’s gravitational field. Geophysics and navigation are the main areas of application for high precision measurements in this field.

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Correspondence to L. F. Vitushkin.

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Translated from Izmeritel’naya Tekhnika, No. 7, pp. 3–8, July, 2020.

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Vitushkin, L.F., Karpeshin, F.F., Krivtsov, E.P. et al. State Primary Special Standard Get 190-2019 for Acceleration in Gravimetry. Meas Tech 63, 513–519 (2020). https://doi.org/10.1007/s11018-020-01817-w

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  • DOI: https://doi.org/10.1007/s11018-020-01817-w

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