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: 0.045 kg
This product has met the following criteria: