The shelf life of a ppb Dissolved Oxygen probe or Dissolved Oxygen Sensor is 5 years when stored in it’s original packaging. Once you add humidity and temperature, consult the specifications.
- 1816DO Thermo Orion – online ppb Dissolved Oxygen System – specifications
- 865-25 IC Controls – ppb Dissolved Oxygen Panel – specifications
- 869 IC Controls – portable ppb Dissolved Oxygen System – specifications
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