The OdaTrak System works with a specially fitted OdaLog with a fiber optic output, fiber optic cable, and the OdaTrak adapter that converts the OdaLog data to a 4/20 mA signal. This signal can be used to control odour management strategies such as chemical dosing and alarm activation.


  • Fixed monitoring system
  • Measurable gas: Hydrogen Sulfide (H2S)
  • Long term recording of gas concentration


  • Output signal of 4-20 mA
  • For use in Zone 1 hazardous areas
  • Quick and easy installation
  • Fibre optic cable length: 10 to 100 metres
  • During the real-time data transfer, all of the usual OdaLog functions, including continuous data logging, are available while the 4 to 20mA link is active.