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3B Scientific™ Power Supply Unit for Franck-Hertz Experiment 115V Products for Science Education

Power supply unit for operating mercury filled and neon filled Franck-Hertz tube

Manufacturer:  3B Scientific™ U8482230

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Catalog No. S05810

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  • Provides all the voltage needed to power the tube
  • Includes a sensitive built-in DC amplifier for measuring collector current
  • Accelerating voltage can be either adjusted manually or derived from the supply unit as a continuously varying voltage
  • Additional measuring inputs are also available for the anode current and accelerating voltage


  • Filament voltage: 4 to 12V, continuously adjustable
  • Control voltage: 9V/10mA
  • Accelerating voltage: 0 to 80V
  • Modes of operation: manually adjusted, continuously varied
  • Countervoltage: 1.2 to 10V, continuously adjustable
  • Output A for collector current I: I = UA ™ 7nA/V (0 to 12V)
  • Output B for accelerating voltage U: U = UB ™ 10
  • Outputs: 4mm safety sockets
  • Input: BNC socket

Order Info

Dimensions: ∽160 x 132 x 210mm3; Weight: ∽2.4kg



115V 50/60Hz
0.9 lb.
Franck hertz tube with Neon filling
Franck hertz experiment
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