A 300m portable electronic water level meter used for measuring water depth in wells and boreholes. [1, 2, 3]
Product Details
Type: Deep well water level indicator / dip meter
Length: 300 meters (indicated by the label on the orange reel)
Features: Built-in battery compartment (labeled 电池 / Battery) and a voltage/battery meter gauge (电压表 / Voltage meter) [1, 2, 3]
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