Demonstration device driven by a handcrank to demonstrate the magnetocaloric effect and an active magnetic regeneration process.



  • 15 K temperature span
  • Magnetocaloric Demonstrator
  • Graphical User Interface
  • 1.35T Magnetic Field

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Machine Details

It is a demonstration device to show the magnetic cooling to interested people. The system consists of a Halbach magnet arrangement with a flux density of up to 1.5 T, which is in a fixed position. The magnetocaloric material is moved in and out the magnet linearly by manually operating a crank wheel. The transmission allows for frequencies up to 3 Hz. Furthermore, a piston pump, also driven via the shaft generates an oscillating fluid. The heat generator consists of a housing with a sample of gadolinium spheres and temperature sensors. A microcontroller
measures the temperature and plots the data on a touch display To be used under the supervision of trained operators for demonstration purposes. Not CE, EMC or ATEX certified.


General System Specifications

  • Basic interface: Serial connection (USB)
  • Advanced interface: Graphical user interface (Monitoring and logging of temperature readings, Explanation video on the device)
  • Data logging: Ca. 2 temperature readings per second
  • Changeable parameters: Magnetizing frequency, Pumped volume, Pump timings


Mechanical System

  • Frequency: Max. 3 Hz
  • Dimensions: 530 x 520 x 330 mm (W x L x H)
  • Total weight: 23.1 kg
  • Safety features: enclosed housing

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Technical Sheet