Dissolved Oxygen Meters


  • Laboratories are wet places
  • Electricity and water/milk/chemicals/people do not mix
  • Do not perform any service or maintenance yourself, except as detailed in the User’s Guide
  • Never restrict airflow into or out of the instrument
  • Regularly check the air vents for blockages

Before Working On The Instrument Call QCL For Advice If

  • Liquid or a foreign object has been spilled or fallen into the interior of the Instrument
  • There are noticeable signs of overheating or a smell of burning
  • The main supply fuse(s) or any other fuses or trips continually fail

Before Removing Any Covers

  • Switch off the power at the back of the instrument
  • Switch off the power at the wall outlet (or isolation point)
  • Remove power lead from back of instrument