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Measurement of mate-
rial pile in the open air
– installation on hoist
frame
4.3.4 How to Extend the Connecting Pipe for Measurement
A minimum distance shall be kept between the probe of ultrasonic level meter and
surface of measured medium, which is normally called the blind area. However, if
the minimum distance cannot be ensured on site in some cases, an extended con-
necting pipe shall be installed on the container.
(1) How to extend the connecting pipe for measuring liquid
Try to keep the inner wall of the nozzle as smooth as possible, and the nozzle shall
not be immersed in the medium to prevent the medium from contaminating the
nozzle or adhering to the inner wall of the nozzle.
The bottom of the connecting tube should be cut at a 45° bevel to avoid strong ec-
hoes at the bottom of the connecting tube. At the same time, the ratio of the height
of the connecting tube to the inner diameter of the connecting tube should be ≤5:3.
Summary of Contents for LUDP
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