A flexure balance with adjustable restoring torque for nanonewton force measurement

18th IMEKO TC3 Conference on Force, Mass and Torque 2002 - Joint International Conference on Force, Mass, Torque, Hardness and Civil Engineering Metrology in the Age of Globalization

Volumn , Issue , 2002, Pages 194-199

  Pratt, Jon R ^a   Newell, David B ^a   Kramar, John A ^a  

^a NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CENTER OF GRAVITY; FLEXURE BEHAVIORS; MEASUREMENTS OF; MECHANICAL PROBES; NON IDEALS; RESTORING TORQUES;

STIFFNESS;

EID: 84910682459     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (9)

1. Newell, D.B., Pratt, J.R., Kramar, J.A., Smith, D.T., Feeney, L.A., and Williams, E.R., "SI Traceability of Force at the Nanonewton Level," Proc. Natl. Conf. of Stds Labs. Intl. 2001 Workshop and Symp., Washington, D.C., 2001.
2. Funck, T. and Sienknecht, V, "Determination of the Volt with the Improved PTB Voltage Balance", IEEE Trans. on Inst. and Meas., 40:2, pp. 158-161, 1991.
3. Kramar, J. A., Newell, D. B., and Pratt, J. R., "The NIST Electrostatic Force Balance", Proceedings of IMEKO 2002, September 24-26, 2002, Celle, Germany.
4. Snow, C., "Formulas for Computing Capacitance and Inductance", NBS circular 544, 1954.
5. Lucas Aerospace Power Transmission Corporation, model 6004-800, Free-Flex pivot. (Commercial equipment and materials are identified in order to adequately specify certain procedures. In no case does such identification imply recommendation or endorsement by the National Institute of Standards and Technology, nor does it imply that the materials or equipment identified are necessarily the best available for the purpose.)
6. Speake, C. C. and Gillies, G. T., "The beam balance as a detector in experimental gravitation", Proc. Roy. Soc. of London A, 414, pp. 315-332, 1987.
7. Cage, M. E. and Davis, R. S., "An Analysis of Read-Out Perturbations Seen on an Analytical Balance with a Swinging Pan", J. of Res. of the N.B.S., 87: 1, pp. 23-45, 1982.
8. Marschall, Charles W. and Maringer, Robert E., "Dimensional instability: an introduction", Pergamon Press, New York, 1977.
9. Zener, C. M., "Elasticity and Anelasticity of Metals", University of Chicago Press, 1948. Contact: J.R. Pratt, National Institute of Standards and Technology, Manufacturing Engineering