Taking Turbulence in Stride

Ultrasonic level detectors overcome obstacles and improve wastewater flow studies

Taking Turbulence in Stride

This illustration shows the direction of water flow in the 8-inch-diameter pipes where they tie in to the manhole.

Ultrasonic noncontact distance measurement technology is the most accurate and cost-effective method for measuring the water level within pipes because the ranges of the distance to be measured are very short due to the small diameters of the pipes. Most ultrasonic sensors, however, have two major problems performing the measurements in the operating environment of a sewer.

The first problem is that the sensors typically have a minimum measuring range of 4 inches or longer,...

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