Dissolved Oxygen Probe
Our Process Optical DO Probe is based on proven Luminescent Optical Technology suitable for most industrial application. It provides full featured performance, replaceable sensor caps, and long life. Mounting thread on both front and back allow for in-pipe (continuous measurement) or submersible installations of DO probe. Optical DO probe is suitable for measurement of dissolved oxygen measurement in various water and waste water application.
Application
- Industrial waste water treatment plant
- Other process water application
- Municipal waste water treatment plant
- Surface water application
| Dimension / Feature | Specification |
|---|---|
| Measurement Range (DO) | 0 – 20 mg/L |
| Working Temperature Range | -5 to 50 °C |
| Measurement Technique | Luminescent Optical Technology |
| Accuracy (DO) | ± 0.1 mg/L |
| Accuracy (Temperature) | ± 0.2 °C |
| Response Time | 40 seconds to 90% (T-90) |
| Body Material | Stainless Steel 316 |
| Sensor Protection | IP-68 |
| Maximum Operating Pressure | 100 psi |
| Maximum Operating Temperature | 80 °C |
| Temperature Compensation | In-built, Automatic |
| Integral Sensor Cable Length | 10 meters |
| Mounting | Immersion or In-Line |
| Mounting Thread on Sensor Body | 1” NPT threads, front & back |
| Sensor Cap | Replaceable, Pre-calibrated |
| Expected Sensor Cap Life | 2 Years |
| Probe Warranty | 1 Year |
Why Choose Process Networks?

ISO-Certified Quality
Our ISO 9001:2015 quality management system ensures full traceability across design, installation, calibration and support.

Technical Expertise You Can Reach
When you contact us, you speak directly to an expert — not a call centre.

Trusted Supplier Partnerships
Exclusive access to premium instrumentation from leading global manufacturers in Germany, Japan, the US and across Europe.

Long-Term Support & SLAs
Most customers stay with us for years because we stay with them providing ongoing maintenance, calibration and on-site service.

Proven Field Experience
Thousands of instruments installed and tens of thousands points monitored daily on systems we support.








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Process Networks Ltd,
Unit K20 Drinan Enterprise Centre,
Swords, Co. Dublin, K67 NN59
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