Dissolved Oxygen measurement in theory and in practice
Calibration, Anaytical Quality Assurance, electrochemical and optical D.O. measurement
The handy A5 brochure offers a theoretical introduction into dissolved oxygen measurement and a multitude of practical tips
CONTENT
Fundamentals, Dissolved Oxygen Sensors
Calibration
- Calibration in water vapor-saturated air
- Calibration in air-saturated water
- The calibration process in the measuring meter
- Sensor test in water-vapor saturated air
- Sensor test in air-saturated water
- Sensor test using zero solution
Measurement and analytical quality assurance
- Cleaning and regenerating the sensor
- Unit and display of the measuring result
- Display as a concentration value
- Display as oxygen saturation percentage
- Potential error sources
- Polarization times (running-in time) before measurement
- Drift check (AUTOREAD)
- Importance of flow
- Salt content correction
- Impact of interfering gases
- Solubility function
Optical D.O. measurement
- The principle of optical measurement
- Characteristics of the optical dissolved oxygen sensors
- Calibration of optical dissolved oxygen sensors
- Cleaning of optical dissolved oxygen sensors
- Impact of interfering gases
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Dissolved Oxygen measurement in theory and in practice
Calibration, Anaytical Quality Assurance, electrochemical and optical D.O. measurement
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