| 摘要 |
An electric sensor for detecting leaks in electroconductive liquid tanks, in particular in crucibles with liquid metal, comprising two electrodes connected electrically with a signalling device, characterised in that one electrode (1) is a filterable plate element, and the other electrode (3) is a non-filterable plate element, and between the electrodes (1, 3) there is a filterable electric insulator (5).<IMAGE>
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