• Teltron Electron Deflection Tube D

  • 261-013
  • In Stock
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  • £660.55excluding VAT

    £792.66 including VAT

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


    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 Deflection Tube D
    Highly evacuated electron tube with focusing electron gun
    and fluorescent screen inclined relative to the beam axis,
    so that the path of the beam can be seen and the effects
    of electric and magnetic fields can be studied. The electron
    beam can be deflected electrically in the electric field
    of the built-in plate capacitor, and magnetically by using
    the Helmholtz coil pair D. By adjusting the electric field so
    that it cancels the magnetic deflection, it is possible to
    determine the specific charge e/m and the velocity of
    the electrons. 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

Specification:

  • Filament voltage: 6.3 V AC
  • Max. anode voltage: 5000 V
  • Anode current: approx. 0.1 mA at 4000 V
  • Max. capacitor voltage:  5000 V
  • Fluorescent screen: approx. 90x60 mm²;
  • Glass bulb:  approx. 130 mm dia.; Total length: approx. 260 mm.

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