Reference : Improvements of the MPG-2 transportable absolute ballistic gravimeter
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/2166
Improvements of the MPG-2 transportable absolute ballistic gravimeter
English
Hu, H. [Max Planck Institute for the Science of Light (MPL), Günther-Scharowsky-Str. 1/Bau 24, 91058 Erlangen, Germany]
Svitlov, S. [Max Planck Institute for the Science of Light (MPL), Günther-Scharowsky-Str. 1/Bau 24, 91058 Erlangen, Germany]
Rothleitner, Christian mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Wang, L. J. [Max Planck Institute for the Science of Light (MPL), Günther-Scharowsky-Str. 1/Bau 24, 91058 Erlangen, Germany]
2010
Metrologia
Institute of Physics
47
575-582
Yes (verified by ORBilu)
International
0026-1394
1681-7575
Bristol
United Kingdom
[en] absolute gravimeter ; gravimetry ; Free-fall acceleration
[en] The MPG-2 (Max-Planck-Gravimeter) is a transportable absolute gravimeter built on a classical free-fall scheme to measure the local gravity value. With significant improvements and further investigations in recent years, the standard deviation of the mean for a typical measurement over 12 h to 24 h is 1.0 µGal to 3.0 µGal (1 µGal = 10 −8  m s −2 ), and the combined standard uncertainty is estimated to be less than 10 µGal. The major improvements include the new interferometer design and alignment, longer drop length, reduced recoil effects and demagnetization of the falling body. The revised uncertainty budget and new measurement results of MPG-2 are reported. The results of observations at the reference gravity station Bad Homburg confirmed the revised uncertainty budget.
Researchers ; Professionals ; Students
http://hdl.handle.net/10993/2166
10.1088/0026-1394/47/5/008
http://stacks.iop.org/0026-1394/47/i=5/a=008

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