System Overview 2-17
Ultrasonic Depth Sensor
The AV|Gated sensor leverages dual depth technology and provides
ultrasonic depth measurements to full pipe and pressure depth
measurements during surcharge conditions.
To provide the depth of the flow, the sensor sends an ultrasonic
signal upward that bounces off the water surface – air interface.
The travel time from the sensor to the flow surface and back is
converted to distance, which translates into the depth of the flow.
AV|Gated upward looking ultrasonic depth signals bouncing off water surface
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