Stefan-Boltzmann Lamp
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Stefan-Boltzmann Lamp

£84.61  exc. VAT    
(£101.53 Inc. VAT)

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  • High temperature heat source
  • Designed to product thermal radiation
  • Soldered contacts for minimal voltage loss
  • Demonstrates the Stefan-Boltzmann law
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Stefan-Boltzmann Lamp

The Stefan-Boltzmann Lamp is a high temperature source designed to produce thermal radiation. For use in investigating how radiation depends on the temperature and to confirm the Stefan-Boltzmann law. The tungsten filament represents a good approximation of a point source of heat radiation and is thus highly suitable for investigating the inverse square law. The temperature of the lamp can be determined from the resistance of the filament, and to aid in the minimisation of voltage loss, the lamp contacts are soldered to the connectors.

Kit Contents

  • 1 x Stand rod, 130mm long
  • 1 x Stefan-Boltzmann lamp


  • Nominal voltage: 12V DC
  • Nominal current: 1.75A
  • Nominal power: 21W
  • Max. operating parameters: 13V DC/2 A
  • Maximum temperature of filament: 3600K

Experiment Topics

  • Introduction to thermal radiation
  • Stefan-Boltzmann Law

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