Demonstration Tubes
Teltron Fine Beam Tube (Helium-filled)
The Fine Beam Tube is for designed for examining the deflection of electron beams in a uniform magnetic field using a pair of Helmholtz coils and for the quantitative determination of the specific charge of the electron. The Neon-filled glass tube is
...Item: U18575 [1008505]
$ 799.00
Teltron Diode D
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 ...
Item: U191501 [1000646]
$ 699.00
Teltron Triode D
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
...Item: U19151 [1000647]
$ 699.00
Teltron Luminescence Tube D
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: U19152 [1000648]
$ 899.00
Teltron Maltese Cross Tube D
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: U19153 [1000649]
$ 799.00
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
...Item: U19154 [1000650]
$ 999.00
Teltron Gas Triode D
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-U
...Item: U19157 [1000653]
$ 859.00
Teltron Dual Beam Tube D
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: U19170 [1000654]
$ 1,299.00
Teltron Electron Diffraction Tube D
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: U19171 [1000655]
$ 1,399.00
Teltron Optical Equivalent to Debye-Scherrer Interference
An experiment model for demonstrating the Debye-Scherrer technique used in electron diffraction tubes by means of visible light. This model consists of a ball-bearing aluminum disc with a cross-lattice which rotates to simulate a poly-crystalline lattice ...
Item: U19172 [1000656]
$ 269.00
$ 770.00
Teltron Fine Beam Tube Integrated Power Supply and Coils
Integrated base control unit, power supply, and coils for operating the Fine Beam Tube.
Specifications:
- Beam voltage / accelerating voltage: 15 – 400 VDC adjustable with front panel control
- Coil current: 0 – 4.5 A adjustable
Item: U8481425 [1009948]
$ 1,799.00
Fine Beam Tube (Neon-filled) with Connector Base
The Fine Beam Tube is for examining the deflection of electron beams in a uniform magnetic field using a pair of Helmholtz coils and for the quantitative determination of the specific charge of the electron. The gas atoms are ionized along the electron
...Item: U8481430 [1000904]
$ 1,349.00
Sodium Fluorescence Tube on Furnace Wall
Highly evacuated glass tube filled with low-pressure argon and containing multiply distilled sodium for demonstrating the resonance fluorescence of sodium vapor. The entire tube emits yellow light at the wavelength of the sodium 'D' line when heated
...Item: U8482260 [1000913]
$ 360.00
