201316th International Congress of Metrology
|Number of page(s)
|Métrologie électrique / Electrical metrology
|07 October 2013
Mise au point d’une plateforme d’étalonnage des compas magnetiques
SHOM, 13 rue du Chatellier, CS 92803, 29228 Brest Cedex
a Corresponding author: marc.lemenn@SHOM.fr
Instruments used to measure speed and direction of sea currents are equipped with magnetic compass and tilt sensors, in order to be able to reference their data in a terrestrial referential. Compass being sensible to their magnetic environment, it is necessary to calibrate currentmeters in their using configuration. In this order, a non-magnetic platform has been built. Reference directions and tilt expended uncertainties reached with this equipment are respectively 1 ° and 0.32 °. Results obtained during different trials of current profilers are exposed.
© Owned by the authors, published by EDP Sciences, 2013
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