Static pressure and total pressure distribution along the Venturi nozzle Features - investigation of static, dynamic and total pressure along the Venturi nozzle - intuitive experiment execution via touch screen (HMI) - integrated router for operation and control via an end device and for screen mirroring on up to 10 end devices: PC, tablet, smartphone - network capability: access to ongoing experiments from external workstations via the local network - automatic identification of accessories via RFID technology Learning objectives/experiments - energy conversion in divergent/convergent flow - record the pressure curve in the Venturi nozzle - determine the velocity curve in the Venturi nozzle - qualitative evaluation of pressure losses - identify influences of nozzle and diffuser on pressure loss - software specifically adapted to the accessories used -- learning module with theoretical fundamentals -- device description -- guided experiment preparation -- execution of the experiment -- graphical representation of pressure curves -- data transfer via USB for versatile external use of measured values and screenshots e.g. evaluation in Excel -- different user levels available Specification [1] familiarisation with Bernoulli's law [2] transparent Venturi nozzle with measuring points for measuring static pressures [3] comparison of static pressures upstream and downstream of the constriction by measuring at cross-sectional areas of equal size [4] axially moveable Pitot tube for determining the total pressure at various points in the Venturi nozzle [5] inlet contour with linear pressure increase over length [6] automatic identification of accessories via RFID technology and use of the corresponding software [7] experiment execution and display of the measured values via touch screen (HMI) [8] network capability: access to ongoing experiments and their results from up to 10 external workstations simultaneously via the local network [9] water supplied via HM 250 base module Technical data Venturi nozzle, transparent - cross section: 79…491mm2 - opening angle: 8° - inlet contour with linear pressure increase over length Pressure connections at the Venturi nozzle - measuring point at Ø 25mm - measuring point at Ø 13,2mm - measuring point at Ø 11,1mm - measuring point at Ø 10mm (reference pressure) - measuring point at Ø 11,1mm - measuring point at Ø 13,2mm - measuring point at Ø 25mm Pitot tube - movable area: 155mm - Ø inner: 1,1mm - Ø outer: 2mm Measuring ranges - indicated measuring range pressure: 0...5500Pa - indicated measuring range flow rate: 0...15L/min LxWxH: 650x260x180mm Weight: approx. 4,5kg
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