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Spectrum Tube - Mercury Vapour

Spectrum Tube - Mercury Vapour

Product Code : EL-W-11186

Quick Answer: The Spectrum Tube - Mercury Vapour is a 260 mm mercury vapour-filled discharge tube for studying the typical spectra of gases and for calibrating spectrometers.

Last updated: October 2026

Key Features

  • Glass body with metal end caps
  • Middle portion constricted to concentrate the discharge glow
  • Maximum recommended running current of 3 mA
  • Recommended run cycle of 30 seconds on, 30 seconds off
  • Strike voltage of 2000V to 4000V

Technical Specifications

SpecificationValue
FillMercury vapour
Tube length260 mm
Max recommended running current3 mA
Recommended run cycle30 seconds on, 30 seconds off
Strike voltage2000V - 4000V

About This Product

To operate, the tube needs a Spectrum Tube Holder, an E.H.T. power supply and E.H.T. safety experiment leads. Its discharge is used to study gas spectra and as a reference for calibrating spectrometers. Tubes filled with neon, nitrogen, oxygen, argon, helium, hydrogen, krypton or xenon are available separately, as is a bundle of 4 tubes.

Frequently Asked Questions

Q1. What is needed to operate the mercury vapour tube?
A Spectrum Tube Holder, an E.H.T. power supply and E.H.T. safety experiment leads.

Q2. How long should the tube be run at a time?
The recommended run cycle is 30 seconds on followed by 30 seconds off, at no more than the maximum recommended running current of 3 mA.

Related: Waves, Spectrometer Prism.

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

   
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