High and Low Pressure UV Mercury Vapour Lamps

Heraeus manufactures low and high pressure mercury vapour lamps used for applications such as photochemical processing, fluorimetry, mercury analysers, medical and environmental equipment, and fixed wavelength detectors.

High Pressure Mercury Lamps

High Pressure Mercury Vapour Lamp St-Series

High Pressure Mercury Vapour Lamp St-Series

Heraeus mercury lamps of the St-Series are stabilized high pressure lamps developed for analytical applications. The emission lines have narrow bands, virtually monochromatic spectrum at constant, well reproducible wavelengths.

Applications:

  • Photometers Fluorimeters Polarimeters
  • Densitometers
  • Fixed wavelength detectors


Low Pressure Mercury Lamps

Low Pressure Mercury Vapour Lamp NK-Series

Low Pressure Mercury Vapour Lamp NK-Series

Heraeus mercury lamps of the NK-Series are low pressure, cold cathode UV lamps developed for applications in analytical instruments. They mainly emit the monochromatic mercury resonance line 254 nm. Heraeus NK lamps have been optimized for high radiance of the 254 nm line obtained by having an emitting light part that is shorter resp. designed as a capillary compared to conventional UV lamps. This feature is particular needed for light sources in optical instruments such like photometer.

Applications:

  • Mercury analysers
  • Photometers, Polarimeters, Fluorimeters, Refractometers, Densitometers
  • Wavelength calibration of optical measuring systems
  • Sterilisation, Ionisation
  • Formation of radicals in air and aqueous solutions


Low Pressure Mercury Vapour Lamp HG-2 Lamp

Low Pressure Mercury Vapour Lamp HG-2 Lamp

Heraeus has developed a compact low pressure, low voltage Mercury vapour lamp type HG2, principally for use in scientific instrumentation. This lamp has a highly stable output predominantly at the 253.7 nm Mercury line. When use with the Heraus C430 power supply the line output is much higher than, and the stability comparable to, that of a Deuterium lamp. Other lines, which total 20% of the output, are at 313 nm, 365 nm, 404 nm and 435 nm.

Applications:
The HG2 has a strike voltage requirement of just 21V and a typical power requirement of 2.7 Watt, making this lamp especially suitable for use in portable instruments.

  • Mercury analysers
  • Wavelength calibration
  • Fixed wavelength detectors


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