SonTek – a Xylem brand
FlowTracker2 User’s Manual (January 2019)
163
Top Setting
wading rod
Automated
Beam Check
Wading rod
setting
Figure 9:13 - Features of Setting Measurement
SNR
Tilt Bubble
Velocity Angle
Sampling Volume
The Sampling Volume of the instrument is defined by the white vertical line displayed
on the Beam Profile plot in Figure 9:13. 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.
Velocity Measurement screen displays graphical
display of raw data of the following variables during a
velocity measurement,
a) Velocity,
b) SNR,
c) Temperature,
d) Battery,
e) Tilt,
Tilt and Velocity Angle indicators are situated on the
right hand side of the screen.
f) Tilt,
g) Velocity Angle,
h) Averaging Time left.
i) To select a variable graphical display,
i). Use up or down scroll arrows keys.
j) To stop sampling,
i). Press the Right Soft Key.
k) To CANCEL velocity measurement,
i). Press the Left Soft Key.
Figure 9:14 - Velocity
Measurement
The conventions and graphic display features used for displaying Velocity and SNR raw
data are defined under Raw Data Display.
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