Select from a full range of Orion Dissolved Oxygen Probes for both field and laboratory applications.

View Electrode Application Notes

AUTO-STIR probe for BOD applications

Rugged DO Probe Plus Probe Guard

Durable and accurate DO probes for the lab or field

DO Probe plus stainless steel probe guard

Simplify the routine measurement of dissolved oxygen!

Reliable DO probes for the lab or field

The Thermo Scientific Orion AUTO-STIR DO Probe brings convenience, accuracy and dependability to dissolved oxygen measurements.

The Thermo Scientific DO (Dissolved oxygen) probes feature automatic temperature compensation and convenient screw on membrane caps.

The Thermo Scientific durable and accurate DO Probe is for lab and field applications.

The Thermo Scientific Orion DO Probe is with stainless steel guard and 50m cable.

Thermo Scientific Orion Dissolved Oxygen electrodes with stainless steel housing, shielded cable and maintenance kit.

The Thermo Scientific Orion Dissolved Oxygen/BOD Probe makes any pH meter a dissolved oxygen meter.

Replacement Calibration Sleeve for Thermo Scientific Orion RDO Probes.

The Thermo Scientific Orion RDO dissolved oxygen probe allows you to measure dissolved oxygen levels without the hassle of membrane replacement.

For use with Thermo Scientific Orion RDO probes.

The Thermo Scientific Orion RDO Stainless-steel Probe Guard is for use with Orion RDO probes.

The Thermo Scientific standard epoxy DO probes are for lab and field applications.

A semi-permeable membrane allows oxygen to diffuse into the electrode.

The Thermo Scientific dissolved oxygen probes are Clark type polargraphic electrodes.

Used in the field to measure for oxygen directly in the sample of interest.