| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a float sensor for detecting minute oil leakage with high accuracy even when a very long lead cable is used in a severe situation where a float greatly fluctuates in the vertical direction, without the lead cable getting intertwined.SOLUTION: Provided is a float sensor 1 comprising a float, a weight member 2, and a lead cable 3, where the float is in shape of a round column in a bus bar direction and has a through-hole 1a in the longitudinal direction thereof, the weight member 2 is attached to the lead cable 3 in such a way as to be able to slide, and the lead cable 3 has its tip processed for termination and is secured to a fixation point above the float sequentially from one end toward the other end which is the tip, inserted into the through-hole 1a, folded back in shape of a letter U at the place of the weight member 2 below the float, and secured to the float in the vicinity of the tip.</p> |
