Olfactory Detection Port ODP

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Sniffer port

The ODP allows the sensing of compounds by the human nose as they elute from the gas chromatograph.

The effluent is split as it leaves the column and arrives simultaneously at the nose and at the detector, giving additional information on compounds which are responsible for specific odors


  • Humidifier for convenient usage
  • Voice recording and voice recognition: Spoken comments are transferred and added automatically to the chromatogram as peak annotations
  • ODP 3 provides a heated mixing chamber where humidified make-up gas and column effluent is mixed. An important detail, as this eliminates drying of the mucous membranes in the nose