Diffusion cloud chamber 80 x 80 cm, PJ 80, 230 V

Product No: 09043-93

Function and Applications

Continuously working large diffusion cloud chamber for visualization of natural ambient radiation.


  • The large diffusion cloud chamber with an 80 x 80 cm active observation surface are hermetically closed units.
  • They each consist of a pedestal for the chamber on top of which lies the observation chamber.
  • The chamber's pedestal holds the refrigerating unit, power supply, a tank for alcohol, a pump for alcohol and a timer.
  • On top of the pedestal, the observation chamber is installed.
  • The top and the sides of the observation chamber are made of glass.
  • Underneath the upper sheet of glass, thin heating wires are installed, which heat up this part of the chamber and thus keep the chamber from misting over.
  • These wires simultaneously serve as high-voltage mesh to gather up ions.

Equipment and technical data

  • Dimensions: (128 x 128 x 128) cm
  • Observation surface: (80 x 80) cm
  • Mist fluid: Isopropanol
  • Consumption: 40 ccm / day
  • Refrigerant CFC free: R404A
  • Time programming for daily operating time incl. weekends
  • Weight: approx. 480 kg
  • Power input: approx. 2.0 kVA



  • Diffusion Cloud Chamber

  • The cloud chamber was featured on the BBC

  • Visualizing cosmic and background radiation

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