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State special primary acceleration measurement standard for gravimetry GET 190-2019
https://doi.org/10.32446/0368-1025it.2020-7-3-8
Abstract
The State special primary acceleration measurement standard for gravimetry (GET 190-2019), its composition, principle of operation and basic metrological characteristics are presented. This standard is on the upper level of reference for free-fall acceleration measurements. Its accuracy and reliability were improved as a result of optimisation of the adjustment procedures for measurement systems and its integration within the upgraded systems, units and modern hardware components. A special attention was given to adjusting the corrections applied to measurement results with respect to procedural, physical and technical limitations. The used investigation methods made it possibled to confirm the measurement range of GET 190-2019 and to determine the contributions of main sources of errors and the total value of these errors. The measurement characteristics and GET 90-2019 were confirmed by the results obtained from measurements of the absolute value of the free fall acceleration at the gravimetrical site “Lomonosov-1” and by their collation with the data of different dates obtained from measurements by high-precision foreign and domestic gravimeters. Topicality of such measurements ensues from the requirements to handle the applied problems that need data on parameters of the Earth gravitational field, to be adequately faced. Geophysics and navigation are the main fields of application for high-precision measurements in this field.
About the Authors
L. F. Vitushkin
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Leonid F. Vitushkin
St. Petersburg
F. F. Karpeshin
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Fedor F. Karpeshin
St. Petersburg
E. P. Krivtsov
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Evgeny P. Krivtsov
St. Petersburg
P. P. Krolitsky
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Pavel P. Krolitsky
St. Petersburg
V. V. Nalivaev
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Vladimir V. Nalivaev
St. Petersburg
O. A. Orlov
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Oleg A. Orlov
St. Petersburg
M. M. Khaleev
D. I. Mendeleyev Institute for Metrology
Russian Federation
Russian Federation
Mihail M. Khaleev
St. Petersburg
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Review
For citations:
Vitushkin L.F., Karpeshin F.F., Krivtsov E.P., Krolitsky P.P., Nalivaev V.V., Orlov O.A., Khaleev M.M. State special primary acceleration measurement standard for gravimetry GET 190-2019. Izmeritel`naya Tekhnika. 2020;(7):3-8. (In Russ.) https://doi.org/10.32446/0368-1025it.2020-7-3-8
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