Quick Answer:The Spectrum Tube Power Supply operates on 220V AC at 50Hz and holds a 26 cm spectrum tube in a box that keeps students away from the electrodes.
Last updated: 18 October 2026
Key Features
Specially designed box holds the tube firmly.
Prevents students from touching the electrodes.
Black panel behind the tube cuts out distracting ambient light and protects the tube from breakage.
Suitable for 26 cm tubes.
Technical Specifications
Specification
Value
Supply
220V AC, 50Hz
Tube length
26 cm
Tube mounting
Box holding the tube firmly, electrodes shielded
Background
Black panel behind the tube
How It Is Used
A gas spectrum tube is clamped in the box and the supply switched on so the gas glows. Students then examine the light, usually through a spectroscope, while the black panel behind the tube keeps stray room light out of view.
Frequently Asked Questions
What size of tube fits the Spectrum Tube Power Supply?
It is suitable for 26 cm tubes and operates on 220V AC at 50Hz.
How does the Spectrum Tube Power Supply protect students and tubes?
The box holds the tube firmly and prevents students from touching the electrodes, and a black panel behind the tube protects it from breakage.