The 5QN/As Arsenic Hollow Cathode Lamp has a quartz envelope and neon gas fill with a dedicated electrical connector for Perkin Elmer instruments. The 5QN/As hollow cathode lamp has a maximum operating current of 18mA and a primary wavelength of 193.7nm. This standard lamp is not data coded. Data coded lamps are available for PerkinElmer 12 pin connector and AAnalyst instruments. Lamps are guaranteed for 24 months and to emit spectra for 5000 milliampere hours usage, whichever occurs first.