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.


  • Industrial waste water treatment plant
  • Other process water application
  • Municipal waste water treatment plant
  • Surface water application
Dimension DrawingMeasurement Range DO0-20 mg/L
Working Temperature Range-5 to 50 °C
Measurement TechniqueLuminescent Optical Technology
Accuracy DO± 0.1 mg/L
Accuracy Temperature± 0.2 °C
Response Time40 second to 90% (T-90)
Body MaterialStainless Steel 316 body
Sensor ProtectionIP-68
Maximum operating pressure100 psi
Maximum operating temperature80 °C
Temperature CompensationIn-built, Automatic
Integral Sensor Cable Length10 meter
MountingImmersion or In-Line
Mounting Thread on Sensor Body1” NPT threads, front & back
Sensor CapReplaceable, Pre-calibrated
Expected Sensor Cap Life2 Year
Probe Warrantee1 Year


Reference part

DO-FDissolved oxygen probe by fluorescence
Range: 0-25 mg/l O2
10 meters of cable length
DO-F-SReplacement Sensor cap with matched microSD card
DO-F-CReplacement converter box

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