The apparatus includes a horizontal Venturi tube, a downstream flow-control valve and manometer tubes.
A manometer panel holds the manometer tubes vertically.
To perform experiments, students set and measure the flow rate through the Venturi.
A common manifold above the tubes has an air pressure-control valve.
The manometer panel has a scale behind the manometer tubes for direct reading of the water levels in the tubes.
Plastic materials and corrosion-resistant finishes throughout the equipment protect against corrosion.
Water enters the Venturi meter and its flow-control valve sets the flow rate.
This valve is downstream, so it does not cause any upstream turbulence.
They also note the pressure distribution along the rest of the meter.
To adjust the datum water level in the manometer tubes, students connect a hand-pump (included) to the air valve above the manometer tubes.
They measure the head at the cross-sectional area at the upstream section, and the head at the throat section.
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