Dual Beam Tube S

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Helium-filled tube with a tangential and axial electron gun. The electron paths are rendered visible in the form of fine luminescent beams through impact excitation of the helium atoms.
For determining specific charge e/m from the diameter of the filament beam in the case of tangential bombardment and a perpendicularly aligned magnetic field, and observing spiral paths of electrons in the case of axial bombardment and a co-axial magnetic field.

Cathode heating voltage: Uh < 7 V, Ih < 0.35 A
Anode voltage: Ua < 100 V
Anode current: Ia < 30 mA
Deflection voltage: U < 60 V

Additionally required:
U18500 Tube holder
U18505 Set of Helmholtz coils
U210501 Power supply, 500 V DC
U11700 DC power supply 0-16 V, 0-5 A

Teltron 2534

Item: U18570
GBP 314.00
GBP 266.90 (+ VAT)

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