FIELD: electricity.
SUBSTANCE: invention refers to demagnetising of underwater objects and deals with compensation of vertical component of earth magnetic field during on-board monitoring system adjustment, including self-monitoring systems, for magnetic field of underwater objects. Device is made in the form of plat horizontal conductive circuit with positive floatation and dimensions exceeding length and width of underwater object; flat conductive circuit is submerged under water surface and fixated in that position along the perimeter by cables and anchor loads so that the device plane passes through the centre of underwater object volume. Geometrical centre of flat conductive circuit should coincide with the centre of underwater object volume.
EFFECT: significantly higher uniformity of magnetic field generated by flat live circuit in underwater object volume reduces adjustment error of on-board system of magnetic field monitoring for underwater objects, caused by effect of vertical component of earth magnetic field.
1 dwg
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