Triode D, Helium-filled

Triode D, Helium-filled, 1000653 [U19157], Electron Tubes D
Triode D, Helium-filled, 1000653 [U19157], Electron Tubes D
Triode D, Helium-filled, 1000653 [U19157], Electron Tubes D
$ 1,009.00
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Experiment Topics: ..
The following topics can be discussed with this Helium-filled, partial-vacuum electron tube: 
•  Discharge, evidence of positive charge carriers
•  The IA – UA characteristic of a thyratron
•  Non-self-sustaining discharge
•  Self-sustaining discharge
•  Simplified Franck-Hertz-set-up

Product Information: ..
The gas triode is a Helium-filled tube with a pure tungsten heater filament (cathode) and a round metal plate (anode) with a wire grid between them, all inside a clear glass bulb. The cathode, anode and grid are all aligned parallel to one another. This planar configuration corresponds to the conventional symbol for a triode. A circular metal plate attached as a backing to the filament ensures that the electric field between the anode and cathode is uniform.
The gas triode allows recording of the IA – UA characteristic of a thyratron, observation of excited and non-excited discharge and of the discontinuous transfer of energy by helium atoms in inelastic collision with free electrons (simplified Franck-Hertz-set-up).

Specifications: ..
Gas filling: Helium
Filament voltage UF : max. 6,3 V AC/DC
Anode voltage UA : max. 500 V DC
Anode current IA : typ. 10 mA at UA = 300 V
Grid voltage: max. 30 V
Glass bulb: 130 mm Ø approx.
Length of tube: 260 mm approx.



 
Item No.: 1000653 [U19157]
Weight 1.28 lb
Dimensions 13.8 x 11.5 x 9.1 in
Brand 3B Scientific Teltron
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