| 摘要 |
PURPOSE: A device for grasping a water level of high temperature washing solution in the inside of a washing chamber is provided to stably grasp the water level of the washing solution without contacting to the washing solution. CONSTITUTION: A device(200) for grasping a water level of washing solution in the inside of a washing chamber comprises a first tubular unit(210), a drain tubular unit(220), and a second tubular unit(230). One en portion of the first tubular unit is connected to an upper end portion of a washing chamber(100) to be communicated and the other end portion of the first tubular unit is connected to a lower end portion of the washing chamber to be communicated. One end portion of the drain tubular unit is connected to a lower end portion of a vertical tubular unit(215) of the first tubular unit and the other end portion of the drain tubular unit is vertically and downwardly spread and an opening/closing valve(V1) is interposed in the middle of the drain tubular unit. One end portion of the second tubular unit is connected to an upper end portion of the vertical tubular unit to be communicated and the other end portion of the second tubular unit is connected to the middle part of the drain tubular unit in an upper stream of the opening/closing valve.
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