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Spectrum Tube - Helium

Spectrum Tube - Helium

Product Code : EL-W-11157

Quick Answer: The Spectrum Tube - Helium is a 260 mm discharge tube filled with helium gas, used to study typical gas spectra and to calibrate spectrometers.

Last updated: October 2026

Key Features

  • Helium gas-filled discharge tube, 260 mm long
  • Metal end caps on a glass body
  • Constricted middle portion concentrates the discharge glow
  • Strikes at 2000 V - 4000 V; maximum recommended running current 3 mA
  • Run cycle of 30 seconds on and 30 seconds off recommended

Technical Specifications

SpecificationValue
Tube length260mm
GasHelium
Strike voltage2000V - 4000V
Maximum recommended running current3mA
Recommended run cycle30 seconds on, 30 seconds off

About This Product

The tube is operated in a spectrum tube holder from an E.H.T. power supply, connected with E.H.T. safety experiment leads. Other individual tubes, including mercury vapour, neon, argon and hydrogen, are available separately.

Frequently Asked Questions

Q1. What equipment is needed to operate it?
A Spectrum Tube Holder, an E.H.T. Power Supply and E.H.T. Safety Experiment Leads.

Related: Waves, Spectrum Tube Holder, Spectrum Tube - Argon.

For a quotation on the Spectrum Tube - Helium, contact School Equipments India.

   
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