Quick Answer: The Spectrum Tube - Hydrogen is a hydrogen gas-filled discharge tube with a strike voltage of 2500 V - 3500 V, used for studying typical gas spectra and calibrating spectrometers.
Last updated: October 2026
Key Features
Hydrogen gas-filled discharge tube
Tube length 260 mm
Glass body with metal end caps, constricted along the middle to concentrate the discharge glow
Strike voltage 2500 V - 3500 V
Maximum recommended running current 3 mA; run 30 seconds on, 30 seconds off
Technical Specifications
Specification
Value
Gas
Hydrogen
Strike voltage
2500V - 3500V
Tube length
260mm
Maximum recommended running current
3mA
Recommended run cycle
30 seconds on, 30 seconds off
About This Product
A Spectrum Tube Holder, an E.H.T. Power Supply and E.H.T. Safety Experiment Leads are required to run it. The hydrogen tube is one of a range of individual tubes, with helium, argon, neon, krypton, nitrogen, oxygen, xenon and mercury vapour versions available separately. The Spectrum Tube - Hydrogen is available for supply within India and for export to France, South Korea, Mozambique, Burkina Faso and Iran.