Use the General Flow Sensor with Venturi Tube

How do I use the General Flow Sensor with the Venturi Tube? The video shows the connection of the General Flow Sensor to the Venturi Tube to investigate flow rates for air and water. When using the general flow sensor with the Venturi Tubes, make sure that the orientation of the blue amplifier box does not change during data collection. The instrument is so sensitive that the self weight of the transducer can change the data that is read from the instrument.

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