Student Tubes
Gas Discharge Tube
For observing luminescence during electric discharge in gases at reduced pressure, and investigating cathode rays and canal rays occurring at low pressures outside the discharge path.
Glass tube with graded seal, disc-shaped, perforated electrodes and ...
Item: U14380 [1002905]
$ 428.00
Teltron Diode S
High-vacuum electron tube with thermionic cathode for demonstrating the thermoelectric effect (Edison effect). Use the tube to investigate the relationship between measured emission current and the voltage applied to the cathode. Also investigate the
...Item: U185501 [1000613]
$ 499.00
Teltron Triode S
High-vacuum electron tube with thermionic cathode and control grid for demonstrating the thermoelectric effect (Edison effect). Use the tube to investigate the practical applications of a triode as an amplifier and generating undamped oscillations in
...Item: U18551 [1000614]
$ 539.00
Teltron Luminescence Tube S
High-vacuum electron tube with divergent electron gun and three, colored fluorescent strips. Demonstrate stimulated light emission during and after electron bombardment of a phosphorus anode. The anode also fluoresces when illuminated with a focused
...Item: U18552 [1000615]
$ 669.00
Teltron Maltese Cross Tube S
High-vacuum electron tube with divergent electron gun aimed at a fluorescent screen partially obscured by a Maltese cross. For demonstrating the linear propagation of electrons in the absence of applied electromagnetic fields by projecting the shadow
...Item: U18553 [1000011]
$ 699.00
Teltron Perrin Tube S
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
...Item: U18554 [1000616]
$ 799.00
Teltron Thomson Tube S
High-vacuum electron tube with high-accuracy electron gun and ruled target phosphorescent screen. Determine the fundamental electron charge-to-mass ratio (e/m), study mean electron velocities using field cancellation, and explore electron optics using
...Item: U18555 [1000617]
$ 999.00
Teltron Gas Triode S
Electron tube filled with low-pressure helium gas, and containing a thermionic cathode, control grid, and anode. This tube is for quantitative investigations of the typical properties of a gas-immersed triode, recording the current-potential (IA-UA)
...Item: U18557 [1000618]
$ 609.00
Teltron Gas Triode, Neon filled
For quantitative investigations of the typical properties of a gas-filled triode, recording the IA - UA characteristics of a thyratron. Observing independent and dependent discharges as well as discontinuous energy release of Ne atoms during inelastic ...
Item: U18558 [1000619]
$ 399.00
Teltron Critical Potential Tube S with He-Filling
Hertz electron tube for quantitative investigations of inelastic collisions of electrons with inert gas atoms, determination of ionization and excitation energies of helium, resolution of the energy states of various primary and orbital angular-momentum
...Item: U18560 [1000620]
$ 999.00
Teltron Critical Potential Tube S with Ne-Filling
Hertz electron tube for quantitative investigations of inelastic collisions of electrons with inert gas atoms, determination of ionization and excitation energies of neon, resolution of the energy states of various primary and orbital angular-momentum
...Item: U18565 [1000621]
$ 999.00
Teltron Dual Beam Tube S
Semi-evacuated electron tube filled with low-pressure helium and containing a tangential and axial electron gun. In the case of tangential bombardment and a perpendicularly aligned magnetic field, the fundamental electron charge-to-mass ratio can be
...Item: U18570 [1000622]
$ 999.00
Teltron Electron Diffraction Tube S
Highly evacuated electron tube for demonstrating the wave nature of electrons through the observation of interference caused by passage of electrons through a polycrystalline graphite lattice (Debye-Scherrer diffraction) and rendered visible a fluorescent
...Item: U18571 [1000623]
$ 1,199.00
Teltron Discharge Tube S
For observing phenomena (for example cathode glow, positive column, canal rays) that occur during electrical discharge in a variety of gases at various pressures. Either end of the discharge tube is equipped with a fluorescent screen, and can be unmounted
...Item: U18580 [1000624]
$ 599.00
Teltron Control Unit for Critical Potential Tubes (230 V, 50/60 Hz)
Control unit for operating the Franck-Hertz Critical Potential Helium-filled and Neon-filled tubes. Equipped with an output for half-wave rectified sawtooth acceleration voltages, adjustable upper and lower limits of the acceleration voltage, and
...Item: U186501-230 [1008506]
$ 534.00
