| 摘要 |
The object of this invention is to provide a portable device for measuring a depth of water, which is easy to carry, maintain, and use, and accomplishes high accuracy, and is usefuel in a variety of industrial fields. This device consists of a measuring unit (100) and a measuring means (170). The measuring unit (100) includes upper and lower caps (110) and (120), a main body (130), a detecting means mounting plate (140), a detecting means (150), an output means (160), an illuminating means (180), and a control means (190). The measuring means (170) includes a measuring wire (171) and a measuring weight (172). |
