Diffusion Cloud Chamber 15 cm without Source

Product Code: SE-7940


The Diffusion Cloud Chamber is used to view high energy alpha particles, lower energy beta particles, and electrons produced by gamma rays interacting with gas molecules. The Chamber allows for the viewing of cosmic rays without the need for dry ice or external illumination. This version does not include a radioactive needle source.


  • Uses ice water instead of dry ice
  • Water circulation pump
  • Built-in high voltage (~800V) power supply for clearing the chamber of unwanted ions
  • Powered by 12V DC power adapter
  • Built-in LED lamps for illuminating the particle trails

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What’s Included

  • 1x 12 VDC Power Adapter (6 A)
  • 1x Water Circulation Pump
  • 1x 2 Rubber Hoses
  • 1x Extraction Pipette
  • 1x Source Holder and Stopper
  • 1x High Voltage Connection Cable

Recommended Accessories

Pb-210 Source Needle SE-7945
Replacement Parts