Flo-Sonic OCFM

The Flo-Sonic OCFM is a permanent measurement system for open channel applications using the ultrasonic transit time technology. It is designed to suit a large range of applications for clean to polluted water with very different flow conditions. The Flo-Sonic OCFM sensors are designed to be installed in channels and rivers with various shapes and dimensions with a maximum width of 15 meters for clean water applications.

The Flo-Sonic OCFM system consists of one or more Flo-Sonic ultrasonic speed processors associated to one Unitrans flow processor and monitor and two Flo-Sonic probes per path.

Very complex applications can be equipped with up to 16 measurement paths. The Flo-Sonic OCFM uses the very latest electronic technology combined with highly efficient digital signal processing (D.S.P.). The D.S.P. technique maximizes the system performance giving the user significant benefits.

Operation principle:

The Flo-Sonic measurement principle is based on detecting the transit time of ultrasonic signal between two sensors. The transit time with flow is shorter than the transit time against flow direction. The difference between these transit times is proportional the average flow velocity along the measurement path.

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