UK Delivery

Free on orders greater than £75

Isles Delivery

Free on orders greater than £250

Spectrum tube Helium (Each)

Item #: XOP998530

£15.25

Spectrum tube Helium (Each)

Economy Spectrum Tube - Helium-Economy Spectrum Tube Power Supply. Specially designed, economy power supply safely runs spectrum discharge tubes of approximately 260mm length. Encased in a metal body. Spring loaded with clips to connect the tubes securely. Dual voltage capability (110V / 220V) by the flip of a switch! RoHs and CE Certified. With UK adapter plug. Economy Spectrum Tubes.To show spectral lines of pure substances. These are glass tubes approximately 260mm long, central capillary portion approximately 90-100mm long with electrodes sealed at both ends and connected to lead wires protected by metal caps. Requires our Spectrum Tube Power Supply unit (XOP 998 0110) or an induction coil 50mm spark. Length of capillary portion can be varied as required. These can not be used as lamps. For intermittent use only.

UK mainland (excluding Northern Island, Scottish Islands, Channel Islands and the Isle of Wight) :
Orders less than £75.00 are subject to a £7.50 carriage and packing charge.
Free delivery is available on all standard stock orders over £75.00 (exclusive of VAT, Hazardous Chemical Delivery Surcharge)

Northern Island, Isle of Man, Scottish Islands, Channel Islands and Scilly Isles:
Orders less than £250.00 are subject to a £12.00 carriage and packing charge.
Free delivery is available on all standard stock orders over £250.00 (exclusive of VAT, Hazardous Chemical Delivery Surcharge)

International :
We ship to most countries and carriage is quoted as extra. Please contact our international team for further information.