Quick Answer: The Spectrum Tube Holder, with Power Supply takes 260 mm long spectrum tubes behind a safety door and powers them from its own supply, operating on 220V AC mains.
Last updated: October 2026
Key Features
Own power supply, running on 220V AC, 50Hz
Safety door, with a design that prevents the user from touching the electrodes
Matt black colour to cut out distracting ambient light
Soft spring action protects the tubes from breakage
Spectrum tubes not included
Full instructions supplied
Technical Specifications
Specification
Value
Input power
220V AC, 50Hz
Output rated
5000V without tube; 1000V at 10 mA with tube
Operating temperature
10°C to 40°C
Storage temperature
-20°C to 40°C
Tube length
260 mm
About This Product
The holder combines a mount and its own power supply for 260 mm spectrum tubes. Tubes are sold either as a bundle of 4 (hydrogen, neon, nitrogen and oxygen) or individually, with argon, helium, xenon, krypton and mercury vapour also offered.
Frequently Asked Questions
Q1. Are spectrum tubes included with the holder? No. Spectrum tubes are not included; they are available as a bundle of 4 or to purchase separately.
Q2. What is the output voltage of the holder? The rated output is 5000V without a spectrum tube and 1000V at 10 mA with a spectrum tube fitted.
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