Heat & Thermodynamics

Cloud Chamber (Cold Plate Type) KK-01


[Product Description]

Easy-setup & Cold-plate type Cloud Chamber

[Overall Advantages to Users]

  • Safe and affordable Cloud Chamber requires no dry ice, no liquid nitrogen or no power source.
  • Comes with specially designed “Cold Plate” capable of retaining a low temperature for about 1 hour by freezing in a standard freezer for at least 24 hours whose temperature can be set to -20℃ (-68°F), as well as, of being used repeatedly by freezing it again.
  • Radiation tracks can be observed for about 20 minutes (until ethanol is vaporized) in a room at 25℃ (77°F).
  • The only consumables required to observe radiation tracks are ethanol (99.5%) and hot water (50~80°C).


  • (Natural) Radiation



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[To all users]

  • Students’ observation by group is possible because the effective observation areas are 95 x 95mm times 4 sides.
  • Radiation tracks from a natural radioactive rock can be observed if putting such rock inside the chamber.

[To teachers]

  • Affordable and portable enough to observe radiation tracks within a class time.
  • Shorter time and lower cost required for preparation because no dry ice and liquid N2 are needed.

[To students]

  • Easy set up by just putting observation chamber and hot water bath on the cold plate.
  • Cold plate : 1 unit (Size: 150 mm x 150 mm x 35 mm)
  • Chamber (Observation Dome): 1 unit (Material: Transparent PVC, Size: 100 m x 100mm x 110 mm)
  • Tank of hot water: 1unit
    – Material: PVC
    – Felt fabric on the bottom back-surface
    – Charging metal of intermediate layer: Aluminum
    – Size: 130 mm x 130 mm x 70 mm
  • High power LED Light: 1 pcs
  • Substituted radioactive source : 1 pcs
  • PVC rod: 1pcs (Size: 24mm)

Teacher's Resources

  • [Promotional Material] Product Insight


  • [MANUAL] In English for this product.


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