Item No.: 100786

Continuous Cloud Chamber
with Peltier Cooling and Bright LED Illumination


Continuous cloud chamber with Peltier cooling and bright LED illumination.

  • Ready to start after 10 minutes
  • Integrated high-performance cooling without dry ice or additional water cooling
  • Built-in power supply
  • Approx. 1 h continuous operation with one isopropanol filling

The cloud chamber is characterised by its compact design and its long running time. Since the cooling works with an integrated high-performance cooler without an external water connection, the compact device can also be quickly put into operation in a classroom without a water connection. An additional power supply unit is not required.

The device also works at ambient temperatures above 25°C. A weakly radioactive alpha emitter made of thoriated tungsten (2 %), which is not subject to notification, is included in the scope of delivery. If no emitter is inserted, natural radioactivity can also be observed. The recipient made of alcohol-resistant plastic allows school groups a good view of the decay traces. Through openings in the lid, alcohol can be refilled with a commercially available syringe or spray bottle without destroying the stratification of the supersaturated alcohol vapour.

Suitable for
  • Secondary school students
Learning Objectives
  • Applying a method for the detection of particles
  • Identify and describe different particle tracks
  • Explain how particle tracks are formed
  • Understanding the effect of particle radiation on matter
Scope of Delivery
  • Continuous cloud chamber with recipient
  • Alpha emitter of thoriated tungsten (2 %)
  • Mains connection cable
  • Detailed operating instructions
Technical Data
  • Supply voltage: 230 V AC / 50 Hz
  • Panel temperature: down to -45°C (depending on ambient temperature)
  • Cooling: Peltier cooling in conjunction with a high-performance cooler)
  • Dimensions: 380 x 300 x 200 mm (L x H x D) incl. recipient
  • Weight: 4.3 kg (ready for operation, without mains cable)