Spectral Lamps - Helium-(ELS-SE1003408)

Spectral Tube - Helium - High luminance spectral tubes emitting the line or band spectrum of a gas or mercury vapour. Partly evacuated capillary glass tubes filled with gas or mercury vapour are furnished with electrodes for the application of a voltage to generate the electrical field that provides the necessary energy. - Capillary length: 100 mm Total length: approx. 260 mm Weight: 0.048 kg