Spectrum Tubes-4/Set
Spectrum Tubes - Set of 4
Includes 1 x hydrogen, 1 x neon, 1 x nitrogen, 1 x oxygen tube
Each tube measures 260mm in length
Maximum recommended running current: 3mA
Recommended run cycle: 30 seconds on, 30 seconds off
Strike voltages: hydrogen 2500–3500V, neon 2000–3200V, nitrogen 3000–4200V, oxygen 3000–4200V
Glass body with metal end caps and constricted centre for concentrated discharge glow
Suitable for use with compatible spectrum tube holders and power supplies