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Proceedings Article

The current progress of measurement standards for vibration in NMIJ/AIST

[+] Author Affiliations
Takashi Usuda, Akihiro Ohta, Sojun Sato

National Metrology Institute of Japan (Japan)

Tamio Ishigami

National Metrology Institute of Japan (Japan)

O. Fuchiwaki, Daigo Misaki, Hisayuki Aoyama

Univ. of Electro-Communications (Japan)

Proc. SPIE 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 30 (June 22, 2004); doi:10.1117/12.579527
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From Conference Volume 5503

  • Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications
  • Ancona, Italy | June 22, 2004

abstract

This paper outlines the current progress of measurement standards for vibration at the National Metrology Institute of Japan (NMIJ) since 2000. Up to 2000, two accelerometer calibration systems of national standards have established at the NMIJ. These two systems are for the low frequency range (1 Hz to 200 Hz) and for the middle frequency range (20 Hz to 5 kHz). They have been used for national calibration services and their uncertainties have been published on the Appendix C of the CIPM-MRA as the calibration and measurement capabilities (CMCs). Currently, other two systems are under development to extend calibration frequency range. One of the systems is for the very low frequency range (0.1 Hz to 80 Hz). And the other one is for the high frequency range (5 kHz to 10 kHz). The NMIJ is planning to establish these two systems until 2006, and to start the calibration services for 0.1 Hz to 10 kHz together with all 4 systems. Two systems under development are described. Technical features, uncertainty sources of the systems, and the future plan are reported.

© (2004) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Takashi Usuda ; Akihiro Ohta ; Tamio Ishigami ; O. Fuchiwaki ; Daigo Misaki, et al.
"The current progress of measurement standards for vibration in NMIJ/AIST", Proc. SPIE 5503, Sixth International Conference on Vibration Measurements by Laser Techniques: Advances and Applications, 30 (June 22, 2004); doi:10.1117/12.579527; http://dx.doi.org/10.1117/12.579527


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