Aqua TROLL RDO Sensor (includes RDO-X Cap)

The RDO-X Sensor Cap Kit has everything you need to replace your expired RDO-X Cap for the Aqua TROLL 600 Multiparameter Sonde and Aqua TROLL 500 Multiparameter Sonde.

Compatible with: 

  • Aqua TROLL 500 Multiparameter Sonde
  • Aqua TROLL 600 Multiparameter Sonde

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Available Products

Aqua TROLL RDO Sensor (includes RDO-X Cap)
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Product Details

Designed specifically for use with the Aqua TROLL 600, the RDO-X Cap will not function on Aqua TROLL 400 Probes, RDO PRO Probes, RDO PRO-X Probes, smarTROLL handhelds, or RDO sensors on TROLL 9500 Water Quality Instruments.

See the RDO Cap Explainer for details on RDO Caps.


  • RDO-X Sensor Cap
  • O-rings (2)
  • O-ring lubricant
  • Lens cloth
  • Instruction sheet