MR-HM 150.04 Centrifugal pump educational equipment vocational training equipment fluid mechanics lab equipment Description
• characteristic curve of a centrifugal pump
• variable speed via frequency converter
Centrifugal pumps are turbomachines that are used for conveying fluids. The MR-HM 150.04 unit can be used to study a centrifugal pump and to record a typical pump characteristic curve.
The experimental unit includes a selfpriming centrifugal pump, a ball valve on the outlet side and manometers on the inlet and outlet side. It is driven by an asynchronous motor. The speed is infinitely adjustable by using a frequency converter. A ball valve is used to adjust the head. In experiments, the operating behaviour of the pump as a function of the flow rate is studied and displayed in characteristic curves. The motor’s speed and electrical power are displayed digitally.
Pressures on the inlet and outlet side are displayed on two manometers.
The experimental unit is positioned easily and securely on the work surface of the MR-HM 150 base module. The pump draws in water from the tank on the base module MR-HM 150. The flow rate is determined volumetrically by flowing back into the measuring tank on MR-HM 150. Learning objectives/experiments
• recording the pump characteristic curve at a constant pump speed
• measuring the inlet and outlet pressure
• determining the flow rate
• recording the pump characteristics for different speeds
• power and efficiency curves
• measuring the electrical drive power
• determining the hydraulic power
• calculating the efficiency Specification
[1] investigation of a centrifugal pump
[2] drive with variable speed via frequency converter
[3] ball valve to adjust the head
[4] manometers on the inlet and outlet side of the pump
[5] digital display of speed and power
[6] flow rate determined by base module MR-HM 150
[7] water supply using base module MR-HM 150 Technical data
Centrifugal pump, self-priming
• max. flow rate: 3000L/h
• max. head: 36,9m
Asynchronous motor
• nominal power: 370W
Measuring ranges
• pressure (outlet side): -1…5bar
• pressure (inlet side): -1…1,5bar
• speed: 0…3000min-1
• power: 0…1000W
Measuring ranges
• pressure (outlet): -1…5bar
• pressure (inlet): -1…1,5bar
• speed: 0…3000min-1
• power: 0…1000W 230V, 50Hz, 1 phase
230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase
UL/CSA optional
LxWxH: 1100x640x600mm
Weight: approx. 46kg
Required for operation
MR-HM 150 (closed water circuit)
Scope of delivery
1 experimental unit
1 set of instructional material
