• Teltron Perrin Tube D

  • 261-016
  • Out of Stock
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  • £495.00excluding VAT

    £594.00 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 Perrin 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 using two methods:
    1) electrically using electric field of the built-in plate
    capacitor, or 2) magnetically using external Helmholtz
    Coils D. Also determine the fundamental electron chargeto-
    mass ratio (e/m) and study mean electron velocities
    using field cancellation.

    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
  • Max. capacitor voltage: 500 V
  • Anode current: approx. 0.1 mA
    at 4 kV (anode).

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