Part Number: 0077700

The RDO Sensor Fast Cap Kit has everything you need to replace your expired RDO Fast Cap for the smarTROLL Multiparameter Handheld or smarTROLL RDO Handheld.

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

See the RDO Cap Explainer for details on RDO Caps.


  • 12-month Fast Cap
  • Lens cloth
  • Silicone O-ring lubricant
  • Replacement O-rings
  • Instruction sheet

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