Teltron Luminescence Tube S

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Experiment Topics:_..

The following topics can be discussed with this highly evacuated tube:
• Luminescence of different phosphors when excited by electrons (cathodoluminescence)
• Luminescence of different phosphors when excited by ultraviolet light (photoluminescence).
• Phosphorescence and quenching

Product Information:_..

The luminescence tube is a highly evacuated tube with an electron gun consisting of a pure tungsten heater filament inside an apertured “cathode can” and a cylindrical anode contained in a clear glass bulb. A screen with three mica flags with different phosphors is mounted on a metal support.
The luminescence tube serves to demonstrate the luminescence of different phosphors when excited by electrons (cathodoluminescence) or ultraviolet light (photoluminescence).

Specifications:_..

Filament voltageU_F:	6.3 V AC/DC
Anode voltage U_A:	max. 5000 V DC approx.
Anode current I_A:	0.1 mA at 4000 V
Glass bulb:	130 mm Ø approx.
Total length:	250 mm approx.