Dissolved Oxygen measurement in theory and in practice

Xylem Analytics Germany Sales GmbH & Co. KG

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

White Paper classification

Applications

dissolved oxygen measurement
electrochemical dissolved oxygen measurement
optical dissolved oxygen measurement

Product categories

oxygen sensors

Download white paper now

Dissolved Oxygen measurement in theory and in practice

Calibration, Anaytical Quality Assurance, electrochemical and optical D.O. measurement

Xylem Analytics Germany Sales GmbH & Co. KG