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Thermo Scientific™ Orion™ RDO™ Dissolved Oxygen Probe

Measure dissolved oxygen levels without the difficulties of membrane replacement by using this RDO™ dissolved oxygen probe.

Supplier:  Thermo Scientific™ 087050MD

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Catalog No. 13-302-133

Item Discontinued This item has been discontinued by the supplier and is no longer available. Please reach out to your sales representative.



Measure dissolved oxygen levels without the difficulties of membrane replacement by using the Thermo Scientific™ Orion™ RDO™ Dissolved Oxygen Probe. This Rugged Dissolved Oxygen (RDO™) Probe uses optical DO technology for problem-free measurement.

  • Utilizes the latest lumiphore technology for measuring DO
  • Once-a-year maintenance with a simple cap replacement
  • Sensor cable lengths of 3, 6, 10, 15 or 30m (10, 20, 30, 50 or 100ft)
  • IP68-rated, waterproof


RDO™ Probe, optical cap. stainless steel sensor guard and calibration sleeve


Orion Star Meter with RDO™ input

Compatible with:

087001 Replacement Optical Cap

087002 Replacement Stainless-Steel RDO™ Probe Guard

087003 Replacement Calibration Sleeve for RDO™ Field Probes



Cable length: 50 ft. (15m)
15 m
0.0 to 200%
DO Probe
0.00 to 20.0mg/L
50 ft.
RDO Optical Dissolved Oxygen Sensor
Orion Star Meter with RDO input
RDO Optical Dissolved Oxygen
0°C to 50°C




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