Xylem SonTek FlowTracker2 User Manual page 142

Pressure
Sensor
Automated Beam
Check
Pressure Sensor
Depth Guide
The Sampling Volume of the instrument is defined by the white vertical line displayed
on the Beam Profile plot in Figure 8:34. 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.
Step 6
Fractional Depth Measurement screen displays
graphical display of raw data of the following variables
during a velocity measurement,
a) Velocity,
b) SNR,
c) Temperature,
d) Tilt,
e) Vel. Angle,
f) Probe Depth,
g) Battery,
h) Pressure.
Tilt and Velocity Angle indicators are situated on the right hand side of the screen.
i) Tilt,
j) Velocity Angle,
k) Averaging Time left.
l) To select a variable graphical display,
i). Use up or down scroll arrows keys to view a variable.
m) To stop sampling,
i). Press the Right Soft Key.
n) To CANCEL
i). Press the Left Soft Key.
FlowTracker2 User's Manual (January 2019)
Figure 8:34 - Features of Setting Fractional Depth
velocity measurement,
Figure 8:35 - Fractional
Depth Measurement
141
SonTek – a Xylem brand
SNR
Tilt Bubble
Velocity Angle
Sampling
Volume