Potassium Combination ISE for Process Control


Potassium Process ISE with 5 Metre Cable.

SKU: 8031/3/4/5M Categories: , Tags: , ,

Here are some of the benefits of using the Potassium Process Control Electrode for process measurements:

  • Rugged Solid State Sensor
  • No Filling solutions
  • No membrane replacements
  • Built in dry Reference electrode
  • Waterproof and submersible
  • Complete with 5 metre cable
  • Compatible with all mV meters and controllers
  • Stored dry for long lifetime
  • Low cost
  • Easy to install

The Potassium sensor is PVC  based with a solid state mount and does not degenerate during storage unlike conventional Potassium electrodes. The lack of internal solution means that submersion is also possible as the sensor does not flex under reasonable pressure.

Each EDT directION Process ISE has a 5 metre cable and a BNC connector. This allows use on all types of pH/ION meters and controllers. Other connectors including Free wire ends available on request- please specify.

Get Quick Ion analysis for under £500 using our ION Concentration Calculator.

The solid state sensors have a huge advantage over conventional ISEs in that there is no internal fill solution to degenerate the sensor this means that EDT direction combination ISEs have an unrivalled lifetime and a very low cost of ownership.

EDT are a UK based manufacturer and produce ISEs for many prominent companies in the water testing sector. As a result our ISEs are very competitively priced and come complete with technical support provided from our vast library of applications and our in house electrochemistry technicians.

Please Note: To prolong the lifetime of ISEs it is ideal to install them in a sampling line if possible. This will prolong the lifetime of the ISE. If permanently immersed frequent calibration is recommended for applications where precision is required. 

PVC Electrodes should not be exposed Fats, Organics or surfactants.

Process ISEs will not last as long as Laboratory ISEs due to the permanent submersion. Typical lifetime in clean applications is 5000 hours.

Typical drift is 2mV per 8 hours.

Out of Box Warranty only.

Additional information

Weight 0.15 kg
Dimensions 26 × 9 × 4 cm





BNC, Other connectors or "Free Wire Ends" available

Cable Length


Resistance at 25 Deg C

< 2.5 MOhm

Potential Drift

2mV per Day

Temperature Range

5 – 50°C

Endpoint Time

Typically 10-60 seconds

Reference Type

Double Junction

Commodity Code


Concentration Range

0.04-39,000 ppm

pH Range





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Product Brochure


Instruction Manual