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ORAKEL ORP Sensors measure the online redox potential of any aqueous solution.

ORP Sensor


Key Features

  • Up to 3 years continuous operation
  • Stable and reliable
  • Reduced maintenance costs
  • ORP4 is suitable for a range of chemical applications


The range of ORAKEL ORP Sensors measure the online redox potential of any aqueous solution. They are platinum-based sensors with integral reference electrodes which use no reagents, are extremely stable and have reduced maintenance and lower whole-life costs.


The ORP electrodes are filled with a polymeric gel. This innovative design makes the electrodes more responsive, with a longer life than ordinary electrodes (up to 3 years).

Anywhere you have a requirement to measure ORP is a suitable application for the ORAKEL System. The ORP sensor range is particularly suited to working in sites where reliability and
ease of use are most important.

Typical water treatment applications:
■ Remote sites
■ Cooling towers
■ Food preparation
■ Paper mills
■ Chemical process
■ Mining


Installation Options

The ORAKEL PH sensors can be installed in a variety of auxiliary flow cells and self-cleaning devices.



Quick Selection Guide









Potable Water
Waste Water

Mounting Options

Single Open Flow Cell
Dual Open Flow Cell
Triple Open Flow Cell
Closed Flow Cell
Autoclean (Flow Cell)
Autoclean Immersion (Dip)
Autoclean Insertion (In Pipe)
At Line Tee
Welding Stub


Standard Cable Length 1m 6m 6m 6m
Max. Temperature 80°C 80°C 80°C 100°C
Back/Front Thread N/A ¾” NPT (Front only) ¾” NPT (Front & Back) ¾” BSP (Front & Back)
Water Proof Cable (Submersible


The ORAKEL can come equipped to automatically clean itself at user defined intervals with all the benefits of no operator intervention for 6 months. The Autoflush is particularly useful in food preparation, pulp and paper, and many applications where there is likely to be a build up of solids in the sample. Autoflush is available for at line, and in line versions including dip and screw in autoclean pipe version.

Product Specifications

Learn More

Find the most up to date product information and available downloads

ORAKEL Control Unit Datasheet

Watch our Predictive Data Monitoring Video here

Read More

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