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In Photoacoustic Spectroscopy (PAS) the gas to be measured is irradiated by modulated light of a pre-selected wavelength. The gas molecules absorb some of the light energy and convert it into an acoustic signal which is detected by a microphone.

Photoacoustic IR Analyzer(s) Highlights:

  • Low Sensitivity (From ppb to Percent Levels)
  • Yearly Calibration
  • Minimal Maintenance
  • Measures up to Five Gases + H2O
  • Temperature and Pressure Compensation
  • Low Sample Volume