THE PROGRESS OF THE PRIMARY CALIBRATION SYSTEM BY SINE APPROXIMATION METHOD IN NIMT

Benjawon Thummawut, Chompoonoot Hirunyapruk, Virat Plangsangmas, Paramate Horkaew

Abstract

This paper presents the design and implementation progress of the vibration calibration system by using the Sine Approximation Method at the National Institute of Metrology Thailand (NIMT). This system was set up in accordance with ISO16063-11, The Sine Approximation. <BR />The experiments were conducted on a prototype design and constructed at our calibration laboratory. The obtained results were subsequently validated against existing systems. More specifically, the magnitude and phase sensitivity and related statistics were validated with the SPEKTRA Calibration System. In this paper, the implementation is described in details together with the comparisons of resultant magnitude and phase sensitivity values reported and discussed.

Keywords

metrology, interferomerty, vibration, accelerometer

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IMEKO-TC22-2014-003.pdf

DOI

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IMEKO TC

TC22 - Vibration Measurement

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