4-74 ADS TRITON+
®
Manual
readings, consider applying one of the other frequency options.
Contact ADS for assistance when necessary.
z Sensitivity Select the appropriate velocity sensor sensitivity
from the drop-down list. A sensitivity that is too high may
produce noise, causing interference in the signal and resulting
in spikes in the data. A sensitivity that is too low can produce
readings that are low in comparison with confirmation
readings. The default sensitivity is 12.
z Velocity Direction Select one of the following options that
reflects the general direction of the flow at the monitoring
point and position of the velocity sensor. The default is
Forward.
Forward Choose this option for monitoring points where
reverse flows are not expected and to ensure the monitor
only analyzes positive values returned from the velocity
sensor. The ParaFlow and Surface Combo Sensor
typically are positioned facing upstream toward the
oncoming flow. This is the most common option for
selection. ADS recommends using this setting for most
monitoring applications. It also requires less processing
time and conserves power.
Backward Choose this option for monitoring points at
which the ParaFlow or Surface Combo Sensor has been
positioned facing downstream and to ensure the monitor
only analyzes flows moving away from the face of the
sensor. One application in which this would be the
preferable option would be for measuring velocity in an
outgoing line following two incoming lines in the
manhole.
z Maximum Velocity Select the maximum expected velocity
that will occur at the site for the monitor to use in fine-tuning
the velocity data. The Auto option serves to optimize the
range and resolution of the velocity data samples to match the
characteristics of the flow. The default setting is Auto.
z Duration Select the amount of time for the sensor to transmit
and receive the velocity signal based on the noise present at the
monitoring point. The default setting a 3 second interval.
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