Pressure, flow rate, speed, torque and pump power available as measurement values Features - principle of operation of a centrifugal pump - closed water circuit - centrifugal pump, standard design Learning objectives/experiments - recording of pump characteristics - recording of system characteristics - determination of the flow rate by means of an electromagnetic flow rate sensor or an orifice plate flow meter and a differential pressure measurement - calculation of efficiencies Specification [1] examination of a standard centrifugal pump [2] closed water circuit [3] three-phase motor to power the pump with variable speed via a frequency converter [4] drive motor with pendulum bearing [5] non-contact speed measurement at the engine shaft and force sensor for measuring the drive power [6] determination of the flow rate by using an electromagnetic flow rate sensor, or an orifice plate flow meter and a differential pressure measurement [7] manometer at the inlet and outlet of the centrifugal pump [8] digital displays for torque, speed, electrical power consumption and flow Technical data Centrifugal pump - max. flow rate: approx. 20m3/h - max. head: approx. 23m Drive motor with variable speed - power output: 1,1kW - speed range: 0...2900min-1 Tank - volume: 96L Measuring ranges - pressure: 1x -0,6...0bar, 1x 0...2,5bar - flow rate: 5...600L/min - speed: 0...5000min -1 - torque: 0...10Nm - power consumption: 0...2,2kW 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase 230V, 60Hz, 3 phases LxWxH: 2000x750x1480mm Weight: approx. 215kg