I. Technical specifications 1, Be familiar with the concept of fluid flow in a variety of energy and pressure head and reciprocal transformation relations, deepen the understanding of the Bernoulli equation. 2, Observe the energy (or head) changing with the flow. II.Main configuration: Water storage tank, water pump, organic glass experiment, organic glass measuring water tank, piezometric tube, valves, stainless steel frame. III.Technical parameters 1, Micro pump, water pump for power: 90 w. 2, Measuring tank: volume is greater than 8 l. 3, Experimental pipeline: 20 and 40 mm Φ Φ. 4, Piezometric tube Φ 8 indicating liquid organic glass tube for water, non-toxic, make the operation more safety. 5, Experimental tank: 400 * 250 * 450 mm (transparent organic glass tank). Water storage box: 600 * 400 * 400 mm (PVC or stainless steel water tank). 6, Fluid, water used in the experiment designed for full cycle. 7, Stainless steel frame, compact structure, beautiful appearance, simple process, easy to operate. 8, Appearance size: 1800 * 500 * 500 mm.