SonTek – a Xylem brand
FlowTracker2 User’s Manual (January 2019)
60
The Raw Data screen includes the following
variables,
a) Velocity,
b) SNR,
c) Temperature,
d) Tilt,
e) Battery,
f) Pressure.
g) To select a variable,
i). Use up or down scroll arrows keys to view a
variable.
h) To navigate to Utilities menu,
i). Press the Left Soft Key.
Figure 4:7 - Raw Data
Raw Data displayed in this function are NOT stored but enable the user to verify if the
flow conditions are ideal for measurements.
Velocity Raw Data 4.4.1
The Velocity variable displays the individual velocity components of the one second
measured raw velocity data.
a) Velocity data can be expected to show notable variations (most of which are real),
and should be indicative of the general conditions in the water,
b) The raw velocity data are updated once per second,
c) The FlowTracker2 Probe Coordinate System is outlined in Figure 4:8.
Figure 4:8 - FlowTracker2 Coordinate System
d) The velocity components of FlowTraker2 and display options for individual or all
velocity components are listed in Table 4:3. The shortcut key on the keypad
determines which velocity component will be displayed.
Table 4-3 - Raw Velocity Display
Sampling
Volume
Y
X
Probe
Coordinate System
Graduated Tag Line
Primary Flow
Direction
Mounting
Pin
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