Includes four Spectrum tubes:. 1 x Hydrogen. 1 x Neon. 1 x Nitrogen. 1 x Oxygen. Tube Length:. 260mm. Strike Voltages:. Hydrogen - 2500V - 3500V. Neon - 2000V - 3200V. Nitrogen - 3000V - 4200V. Oxygen - 3000V - 4200V. Maximum Recommended Running Current:. 3mA. Recommended Run Cycle:. 30 seconds on, 30 seconds off. Requires the following equipment to operate:. Spectrum Tube Holder - B8R08098. E.H.T. Power Supply - B8R02653. E.H.T. Safety Experiment Leads - B8R07149. Individual Spectrum Tubes are also available to purchase separately:. Argon - B8R06989. Helium - B8R06986. Hydrogen (included) - B8A46539. Krypton - B8R06991. Mercury Vapour - B8R06990. Neon (included) - B8A46565. Nitrogen (included) - B8A46541. Oxygen (included) - B8A46553. Xenon - B8R06992.
