Warning: Damage caused by freezing isn't covered by warranty; we recommend 2-day shipping to reduce risk.
  • DO605
  • Usually ships in 3-5 business days


The Extech DO605 dissolved oxygen module is compatible with the Extech DO600 meters. This module measures dissolved oxygen and temperature and features a screw-on membrane cap for easy replacement as well as automatic temperature compensation via a built-in Pt-100Ohm sensor