| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a level detector where the detector can be directly attached to a tank or a container without wiring and a storing level of powder or liquid, or the like of the inside can be easily and visibly recognized and managed from the outside.SOLUTION: An LED lamp 20 which is turned on or off when powder or liquid, or the like, is detected is provided in an integral form on a lid 16 of a main body case 14. The main body case 14 is an exposed part of a level detector 13 which can be attached to a tank or a container in a plug form by exposing a part of the level detector to the outside.</p> |
