Start Automated Beam Check; Evaluate Beam Check Results; Table 9:1 - Automated Beam Check Quality Control Criteria - Xylem SonTek FlowTracker2 User Manual

Automated Beam Check can be performed during any stage of the data collection
process. The Automated Beam Check functions are available before data collection
start and during velocity measurement from the "Data Collection Menu" (see
Collection Screen).
9.2.1

Start Automated Beam Check

The FlowTracker2 probe should be placed in the region of the measurement location in
moving water such that the probe is submerged and well away from any underwater
obstacles. The FlowTracker2 collects data for about 20 seconds.
The Automated Beam check screen shows the
steps involved in performing an automated beam
check.
a) To start the automated beam check,
i). Press the Right Soft Key.
b) To CANCEL automated beam check,
i). Press the Left Soft Key,
ii). The software will navigate to Data Collection
window.
c) To accept Automated Beam Check,
i). Press the Right Soft Key,
ii). The software will navigate to the Data
Collection window.
9.2.2

Evaluate Beam Check Results

The automated beam check quality control criteria used in the evaluation of the beam
check data are listed in
Table 9-1 - Automated Beam Check Quality Control Criteria
Quality Control
• Measured electronics noise
•
Noise Level
•
FlowTracker2 User's Manual (January 2019)
Table 9:1,
Criteria
level is compared to reference
data. Any significant deviation
causes a warning,
A large change in noise level
may indicate damage to the
probe.
Noise level supplied in
Automated BeamCheck is
given in Counts. Multiply with
0.43 to convert to dB.
Figure 9:5 - Automated Beam
QC Warning
Noise Level >
QC
157
SonTek – a Xylem brand
Data
Check
Graphic Display