| 摘要 |
A sensor for detecting the level of a liquid, comprising a conducting wire whose resistance has a high coefficient of temperature, the wire forming at least one pair of substantially parallel strands, adjacent connection pieces to which the ends of the wire are fixed, a tubular housing open at its upper and lower opposite ends, a spring having one end connected to the wire at the junction of its strands and its other end hooked to a lower holding piece fixedly mounted at the lower end of the tubular housing, and provided with an axial passage for a removable assembly spindle, an upper holding piece for holding the connection pieces, the upper holding piece being slidable in the tubular housing and fixedly mounted near the upper end of said housing and being provided with an axial passage with abutment for the removable assembly spindle.
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