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Automated Beam Checks performed during the discharge measurement are stored in
FlowTracker2 file (.ft) that was created for the measurement site.
8.3.5.6
PS Calibration
The PS Calibration function in the data collection menu allows the user to perform
Pressure Sensor Calibration during any stage between point velocity measurements.
Frequent calibration of pressure sensor for atmospheric or air pressure changes during
the measurement will improve the accuracy of pressure measurements. The variation
in atmospheric or air pressure will impact the accuracy of pressure measurements.
Step 1
PS Calibration screen allows the user to perform
pressure sensor calibration. The user is required to
remove the probe from the water.
a) To perform PS Calibration,
i). Press the Right Soft Key.
b) To
CANCEL
PS Calibration,
i). Press the Left Soft Key.
Step2
PS Calibration screen with Quality Control warning
messages based on quality control checks performed
on measurement data.
a) To accept quality control warning messages,
i). Press the Right Soft Key.
b) To
REDO
PS Calibration,
i). Press the Left Soft Key.
8.3.5.7
Complete Measurement
The Complete Measurement function closes the measurement file and the user will not
be able to add additional stations and or make any changes to the data captured. The
complete measurement function is a three-step process, firstly to determine if the user is
satisfied with the discharge measurement, secondly to perform quality control checks
against all measurement data and lastly to review discharge summary.
The Complete Measurement process allows the user to review the measurement data
before the complete function is selected at Summary screen. The user will not be able
to make any to changes to the measurement file from the handheld when this function
is selected.
FlowTracker2 User's Manual (January 2019)
(Pressure Sensor)
150
SonTek – a Xylem brand
Figure 8:45 – PS calibration
Figure 8:46 - Warning Messages
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