SonTek – a Xylem brand
FlowTracker2 User’s Manual (January 2019)
27
Handheld System Information of the FlowTracker2
includes the following system information,
a) Device (FlowTracker2 Handheld),
b) Serial Number (123456),
c) Upgraded Firmware (V0.14.7).
d) To navigate to Main Menu or Probe Information,
i). Main Menu – Press the Left Soft Key,
ii). Probe Information – Press the Right Soft Key.
Figure 2:8 - Handheld System
Probe System Information of the FlowTracker2
includes the following system information,
a) Device (FlowTracker2 Probe),
b) Serial Number (123456),
c) Probe Firmware (V0.14.7),
d) Number of Beams (2 or 3).
e) To navigate to Main Menu,
i). Press the Left Soft Key two times.
Figure 2:9 - Probe System
Measurement (Main Menu) 2.5.5
The Measurement function is the main component of the FlowTracker2 handheld
software and includes two measurement modes. The Discharge mode is for applications
where the primary goal is to measure river/stream discharge. The technique involves
taking a series of velocity measurements at different locations throughout the cross
section. These measurements are combined with location and water depth information to
compute the total discharge. The General mode is designed to perform a series of
velocity measurements at different locations, but does not provide discharge as an
output.
The methods and techniques implemented for determining the mean station velocity,
calculation of discharge and uncertainty analysis of a measurement are based on the
following literature,
• ISO 748 – 2007, Hydrometry - Measurement of liquid flow in open channels using
current meters or floats,
• WMO-No. 1044, Volume I – Fieldwork, 2010.
• IVE, Quantifying Uncertainty in Discharge Measurements: A New Approach
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