ACCESSORIES – TYPE D

Replacement mercury tube  for the following products: Franck-Hertz tube with Hg filling and heating furnace (115 V /50/60 Hz); item no. :  1006794 or 1023094 and Franck-Hertz tube with Hg filling and heating furnace ... more

Replacement Franck-Hertz mercury tube (mounted on support plate)  for the following products: Franck-Hertz tube with Hg filling and heating furnace (115 V /50/60 Hz); item no. :  1006794 or 1023094 and Franck ... more

The 0 – 500 V DC power supply is especially intended for operating electron tubes, including Helmholtz coils. The 0 – 500 V DC power supply provides four independently adjustable DC voltages. The DC voltages are stabilised ... more

The 5 kV high voltage power supply is a universally usable non-earthed high voltage source for operating electron tubes. The 5 kV high voltage power supply provides a continuously variable stabilized high voltage with passive current ... more

The 0 – 20 V, 0 – 5 A DC power supply provides a DC voltage up to 20 V and a DC current up to 5 A. The output voltage and output current are continuously variable. The unit can be used either as a constant voltage source with ... more

The 0 – 20 V, 0 – 5 A DC power supply provides a DC voltage up to 20 V and a DC current up to 5 A. The output voltage and output current are continuously variable. The unit can be used either as a constant voltage source with ... more

"Operating Unit for Fine-Beam Tube" , ONLY!  (NOT TO BE SOLD SEPARATELY!) The fine beam tube and Helmholtz coil pair are mounted on the operating unit, the fine beam tube being rotatable around its vertical axis. The tube ... more

These Helmholtz coils are essential components for determining the specific charge of an electron (e/m) using a fine-beam tube (experiment 8000667 / 8000668). Additionally, in combination with the flat coil in a rotatable frame (item no: ... more

The quantization of energy, as well as the generation, registration, and analysis of spectra and the associated experimental confirmation of models, are important components of most curricula around the world. The well-known 1913 experiment ... more

The heating chamber can be employed to conduct the Franck-Hertz experiment or the sodium resonance fluorescence experiment in safety. It consists of a powder-coated sheet steel casing with two viewing windows. The front plate is attached ... more

Adapter for electron diffraction tube D (U19171) for connection of the heater voltage via safety experiment leads. Includes internal protective circuitry to protect the heating filament against excess voltage. Dimensions match the three-pole ... more

Adapter for electron tubes D for connection of the heater voltage via safety experiment leads. Includes internal protective circuitry to protect the heating filament against excess voltage. Dimensions match the two-pole connector for the tubes ... more

Spare Tube for Complete Fine Beam Tube System 1013843. Gas filling:  Neon Gas pressure: 1.3x10-5 hPa Bulb diameter: 165 mm Orbit diameter: 20 … 120 mm Measurement mark spacing: 20 mm more

Seventeen maximum-quality patch cords with 4-mm-connectors for all cabling between tubes, power supplies, display units and coils. Wire cross-section: 1 mm² Continuous current: max. 16 A Plug and jack: 4 mm Ø Quantity: 3 ... more

The tube holder accommodates all tubes of the series D and their accessories, such as the Helmholtz Coils D (100644) and Auxiliary Coil (100645). (1000656). The tube holder consists of a robust base plate with an upright stanchion and ... more

The Helmholtz coils are used to create magnetic fields for deflecting electron beams and are attached to the tube holder D (1008507). The tube holder allows the coils to be set up in Helmholtz configuration to generate a highly uniform magnetic ... more

The auxiliary is used to create a magnetic field perpendicular to the axis of a tube. When used in conjunction with the Helmholtz pair of coils D and S (1000644 and 1000611) and the Perrin tube D and S (1000650 and 1000616) two orthogonal ... more

Replacement Neon tube of 1000912: Franck-Hertz Experiment Neon Tube Heater more