SonTek – a Xylem brand
FlowTracker2 User’s Manual (January 2019)
168
Pressure Sensor (PS) Instrument Depth screen
allows the user to perform instrument depth
measurement. The tilt sensor or bubble should be
used to keep the instrument vertical.
a) To perform Instrument Depth Measurement,
i). Press the Right Soft Key.
b) To CANCEL Instrument Depth Measurement,
i). Press the Left Soft Key.
Figure 9:20 - PS Instrument Depth
Setting Measurement Depth screen allow the
adjustment of the pressure sensor before velocity
measurement is started,
a) Pressure Sensor Depth Guide,
b) Beam Check,
c) SNR,
d) Tilt,
e) Velocity angle.
f) To start a velocity measurement,
ii). Press the Right Soft Key.
g) To REVERT to measurement screen,
ii). Press the Left Soft Key.
Figure 9:21 - Setting
Measurement Depth
The key features of the Setting Measurement Depth are explained in Figure 9:22.
Pressure
Sensor
Automated
Beam Check
Pressure
Sensor Depth
Guide
Figure 9:22 - Features of Setting Measurement
Depth
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 9:22. 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
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