Chapter 2 Installation
On the open tank - the top is mounted on one side bracket.
Since the open tank has no focusing effect, the sensor can be installed in the
middle of the container.
On Open tank -Top Center Bracket Installation
(4)Drainage wells and ordinary wells
Drainage wells are usually narrow in shaft and wellhead, and the borehole wall is
uneven, which makes ultrasonic measurement very difficult. This problem can be
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