• Teltron Electron Diffraction Tube S

  • 261-021
  • In Stock
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  • £681.76excluding VAT

    £818.11 including VAT

  • Teltron Discharge Tubes
    The Teltron range of demonstration discharge tubes
    has been designed to show the properties of the free

    The D range is the original Teltron range with connections
    fixed on the tubes. The S range is a newer range with
    connections on the stand rather than the tubes.
    Please note the ranges are not interchangeable.

    Teltron Electron Diffraction Tube S
    Highly evacuated electron tube for demonstrating the
    wave nature of electrons through the observation of
    interference caused by passage of electrons through a
    polycrystalline graphite lattice (Debye-Scherrer diffraction)
    and rendered visible on a fluorescent screen. Also intended
    for determining the wavelength as a function of the
    anode voltage from the radii of the diffraction rings and
    the lattice plane spacing of graphite, as well as confirming
    de Broglie’s hypothesis. Instructions included

    Other equipment for use with the Teltron tubes:
    605-006 EHT Power Supply
    261-031 Digital Meter with two shunts included
    231-080 Shrouded Test Lead Red
    231-081 Shrouded Test Lead Black

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Technical Specification


  • Max. filament voltage: 6.3 V AC
  • Max. anode voltage: 5 kV
  • Anode current: approx. 0.1 mA at 4 kV
  • Lattice constant of graphite: d10 = 0.213 nm; d11 = 0.123 nm.

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