Electron Diffraction Tube S

Electron Diffraction Tube S, 1013889 [U185711], Electron Tubes S
Electron Diffraction Tube S, 1013889 [U185711], Electron Tubes S
Electron Diffraction Tube S, 1013889 [U185711], Electron Tubes S
$ 1,871.00
in stock
Experiment Topics: ..
The following topics can be discussed with this highly evacuated tube: 
•  Illustration of the wave nature of electrons
•  Determination of the wavelength of electrons depending on the anode voltage
•  Debye-Scherrer diffraction
•  Confirmation of the de Broglie hypothesis

Product Information: ..
The electron diffraction tube is a highly evacuated tube with an electron gun consisting of a pure tungsten heater filament and a cylindrical anode all contained in a clear glass bulb. The electrons emitted by the heated cathode are constrained to a narrow beam by an aperture and are then focussed by means of an electron-optical system. The resulting tight, monochromatic beam then passes through a micro-mesh nickel grating situated at the aperture of the gun. Onto this grid, a thin layer of polycrystalline graphitised carbon has been deposited by vaporisation. This layer affects the electrons in the beam much like a diffraction grating. The result of this diffraction is seen in the form of an image comprising two concentric rings that become visible on the fluorescent screen. A spot resulting from the undeflected electron beam continues to be visible at the centre of the rings.
A magnet is also supplied with the tube. This allows the direction of the electron beam to be changed, which may be necessary if the graphite target has slight damage as a result of the manufacturing process or due to later overheating.

Specifications: ..
Filament voltage U: max. 6.3 V AC/DC
Anode voltage U: 0 – 5000 V DC
Anode current IA: typ. 150 µA at UA = 4000 V
Lattice constant of graphite: d10 = 0.213 nm; d11 = 0.123 nm
Distance from graphite target
to fluorescent screen:
125 ± 2 mm  approx.
Fluorescent screen: 100 mm Ø  approx.
Glass bulb: 130 mm Ø  approx.
Total length: 260 mm  approx.



Item No.: 1013889 [U185711]
Weight 1.923 kg
Dimensions 35.1 x 28.2 x 22.1 cm
Brand 3B Scientific Teltron
  • Secure online payment with SSL
  • Expert advice
  • Financing available
  • Easy returns & exchanges
  • International shipping available
Service hotline:
1-888-326-6335
Add to cart

Customers who bought this item also bought these items:
Analogue Multimeter ESCOLA 100, 1013527 [U8557380], Hand-held Analog Measuring Instruments
$ 356.00
by 3B Scientific
Helmholtz Coils S, 1000611 [U185051], Electron Tubes S
$ 916.00
by 3B Scientific Teltron
Digital Multimeter P3340, 1002785 [U118091], Hand-held Digital Measuring Instruments
$ 76.00
by PeakTech
Thomson Tube S, 1000617 [U18555], Electron Tubes S
$ 1,536.00
by 3B Scientific Teltron
Franck-Hertz Experiment Neon Tube Heater, 1000912 [U8482230], Electron Tubes D
$ 1,167.00
by 3B Scientific Teltron
PC Oscilloscope 2x25 MHz, 1020857 [U11830], Oscilloscopes
$ 341.00
by PeakTech
Digital Counter (230 V, 50/60 Hz), 1001033 [U8533341-230], Digital Counters
$ 657.00
by 3B Scientific
Replacement Circuit Board for Tube Holder S, 4008573 [U99999-611], Electron Tubes S
$ 122.00
by 3B Scientific Teltron
Digital Spectrometer LD, 1018103 [U22028], Spectrophotometer
$ 2,470.00
by 3B Scientific