Dual Beam Tube D

Dual Beam Tube D, 1000654 [U19170], Teltron® Tubes
Dual Beam Tube D, 1000654 [U19170], Teltron® Tubes
Experiment Topics: ..
The following topics can be discussed with this Neon-gas filled, partial-vacuum electron tube: 
•  Determination of the specific charge e/m for tangential injection and perpendicular magnetic field
•  Observation of the spiral path followed by electrons fired axially into a co-axial magnetic field.

Product Information: ..
The dual beam tube is a partly evacuated electron tube, filled with Neon at low pressure and equipped with both axial and perpendicular electron guns. The electron beams are perpendicular to one another and a common deflector plate is provided for both guns. The electron beam source is an oxide cathode heated indirectly via a heating coil. The electron paths show up as a fine, orange beam due to impact excitation of the Neon atoms.
The dual beam tube can be used to determine the specific charge e/m from the diameter of the path followed by electrons fired into the tube from a perpendicularly mounted gun with a vertically aligned magnetic field and observation of the spiral path followed by electrons fired axially into a co-axial magnetic field.

Specifications: ..
Filament voltage UF : max. 7.5 V AC/DC
Anode current IA : max. 30 mA
Anode voltage UA : Maximum value so that the anode current IA ≤ 30 mA (typical 120-300 V DC)
Deflector voltage: max. 50 V DC
Glass bulb: 130 mm Ø approx.
Total length: 260 mm approx.
Gas filling: Neon



Item No.: 1000654 [U19170]
Weight 0.59 kg
Dimensions 35.1 x 29.2 x 23.1 cm
Brand 3B Scientific Teltron
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