ES Series Toroidal Conductivity Sensor


  • Plating.
  • High purity water applications.
  • Pharmaceutical Applications.
  • Reverse Osmosis systems.
  • Fume Scrubbers.
  • Boilers.
  • Cooling Towers.
  • Textile Manufacturing.
  • Food and Beverage.


  • Choice of voltage output probe or 4-20 mA direct output probes.
  • Polypropylene (ES-1), Kynar or CPVC (ES-5) wetted materials.
  • Convertible style fitting.
  • Temperature compensation: PT1000 RTD (ES-1), PT100 RTD (ES-5).
  • 20 ft (6.6 m) Cable.
  • Two year limited warranty.



Aquamterix - USA ES series electrodeless conductivity sensor is used in processes where conventional contacting sensors may become fouled or corroded. Each sensors can be mounted in flow through applications or submersion mounted in tanks or open vessels.
The ES-1 provides a raw signal that requires a third party analyzer for power and signal processing. We recommend the Knick line for this purpose. The ES-5 is one of the very few toroidal sensors that is loop powered and directly outputs a 4-20 mA signal.

ES-1 Toroidal Sensor Data Sheet

ES-5 Toroidal Sensor Data Sheet


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