Measurement of electrode length in a melting furnace

The disclosure relates to apparatuses melting batch materials, the apparatuses comprising a vessel; an electrode assembly comprising an electrode and at least one detection component coupled to the electrode; and at least one device configured to measure an electrical or optical property of the electrode assembly. Also disclosed herein are electrode assemblies for the optical or electrical detection of electrode length, and apparatuses comprising such electrode assemblies. 本公开涉及熔化批料的装置，所述装置包括：容器；电极组件，所述电极组件包括电极以及耦合至所述电极的至少个检测部件；以及至少个设备，所述至少个设备被配置成用于对所述电极组件的电特性或光学特性进行测量。在此还公开了用于对电极长度进行光学检测或电检测的电极组件、以及包括这种电极组件的装置。