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Quality
Control
Settings
FlowTracker2 User's Manual (January 2019)
Value
Sound speed
Mounting correction
SNR threshold
Standard error threshold
Spike threshold
Maximum velocity angle
Maximum tilt angle
274
SonTek – a Xylem brand
Description
will use measured
temperature in velocity
calculation. If value is
entered, this value will be
used.
Sound speed used in velocity
measurement. If left blank,
will use measured
temperature and entered
salinity in calculation of sound
speed used in velocity
calculation. If value is
entered, this value will be
used.
Mounting correction (%)
applied to velocity value.
SNR threshold (dB). If mean
SNR at sample volume is
below this value, a warning
will be issued.
Standard error threshold (in
velocity units). If standard
error over all samples at each
station exceeds this
threshold, a warning will be
issued.
Spike threshold (in counts). If
number of spikes at a station
exceeds this value, a warning
will be issued.
Maximum velocity angle (in
degrees). If mean angle of
flow with respect to ADV X-
axis exceeds this value at a
station, a warning will be
issued.
Maximum tilt angle (in
degrees). If mean tilt at a
station exceeds this value, a
warning will be issued.
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