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0.8
Selecting the same fractional depth that was measured at the previous station improves
the overall efficiency of the measurement. The example that is shown above shows a
measurement where two-point method is performed at each station, keeping the order of
measurements synced between stations improves the workflow.
Step 3
Setting Fractional Depth screen allow the setting
and placement of the wading rod before velocity
measurement is started,
a) Wading rod setting,
b) Beam Check,
c) SNR,
d) Tilt,
e) Velocity angle.
f) To start a velocity measurement,
i). Press the Right Soft Key.
g) To
REVERT
to measurement screen,
i). Press the Left Soft Key.
The key features of the Setting Fractional Depth are explained in
Top Setting
wading rod
Automated Beam
Check
Wading rod
setting
The Sampling Volume of the instrument is defined by the white vertical line displayed
on the Beam Profile plot in Figure 8:23. The location of the line is fixed and is based on
the geometry of the beams. This is an excellent guide to indicate if the boundary is too
close to the sampling volume.
FlowTracker2 User's Manual (January 2019)
Figure 8:23 - Features of Setting Fractional Depth
Figure 8:22 - Setting
133
SonTek – a Xylem brand
Fractional Depth
.
Figure 8:23
Tilt Bubble
Velocity Angle
Sampling
Volume
SNR
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