IMPROVEMENTS IN OR RELATING TO SENSING APPARATUS

摘要

A sensing apparatus (10) is provided which has an elongate magnetic core (20, 22) and a single electrical sensor conductor (12) which extends along a space (24) and is free to move relative to the core (20, 22). The space (24) extends longitudinally along the core (20, 22). The core (20, 22) provides magnetic flux within the space (24). Further the core (20, 22) provides a substantially continuous flux path, except at the space (24).