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United Scientific

PLCN01 Planck's Constant Apparatus

PLCN01 Planck's Constant Apparatus

Regular price $1,925.00
Regular price $2,275.00 Sale price $1,925.00
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Planck's Constant Apparatus

  • Compact, easy-to-use apparatus
  • Accurate results with less than 5% error
  •  Measures Planck’s constant and estimates the work function of cesium
The Planck’s Constant Apparatus is a compact unit containing an enclosed vacuum photocell with an attachment for illuminating light sources, a high stability power supply for applying a variable stopping voltage to the cell and a nanoammeter for measuring the resulting photocurrents.

High quality stabilized LED supply and amplifier yield results for h to better than 5%
All materials included are packed in a compact, lightweight unit.


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