FILTER ELEMENT WITH CONDUCTIVE BREAKING INDICATOR

摘要

A filter apparatus, comprising a filter formed by a plurality of filter elements, the filter arranged around a central shaft. The central shaft and the filter being rotatable around longitudinal axis of the central shaft. The filter apparatus further comprises an identification unit arranged to store an identification code specific for the filter element, a receiver apparatus comprising a receiver means arranged to receive wirelessly an identification signal comprising said identification code, and a forwarding means for forwarding an output signal based on said identification code.