| 摘要 |
PROBLEM TO BE SOLVED: To provide a liquid level-detecting device with a mounting configuration for securely mounting the liquid level-detecting device to a capacity body with a simple operation. SOLUTION: A light-emitting device 8 and a photo detector 10 being provided at a printed-circuit board 4 are provided at a lower portion in a capacity body 1, at the same time a liquid level detection part 14 with an optical element 9 being provided at the capacity body 1 so that it opposes the light-emitting device 8 and the photo detector 10 is configured, further a collar 6 and two mounting gear-lock tongues 5 are provided at the upper end part and at the slightly lower position of the capacity body 1, respectively, at the same time the mounting gear-lock tongues 5 are formed as an elastic tabular part while facing downward, and a projecting part 13 is provided on the outer surface side. |
