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ABB pH Sensors

ABB's range of pH sensors brings a new world of smart pH measurement.

Accurate measurement of pH is a vital requirement across a range of industries, from drinking water and wastewater treatment through to energy and industrial process control.

ABB's innovative range of sensors have over 70 years of pH sensor development and application expertise with the latest advanced digital technology and sensor diagnostics.

The new range of pH sensors are easy to select, own and operate. The sensors are colour-coded in order for you to select the best sensor easily ensuring optimal performance.

The sensors can be connected to an ABB analytical transmitter and using ABB's EZLink technology set-up is made easy with automatic sensor recognition and guidance.

  • Plug-and-play technology reduces set-up time needed for installation.
  • Calibration and diagnostic data stored allowing remote calibration and health checking.
  • Temperature sensors provides accurate and fast temperature response.

View pH Sensor demo video.

View ABB pH Sensors Brochure.

ABB pH Sensor Selection Tool - click on image to expand

Image: ABB water transmitter and range of pH sensors
ABB water transmitter and range of pH sensors

Product Videos

Product Range

100 E

100 E

The 100 E combines economical efficiency with dependable operation in a virtually unbreakable 12mm design.


100 GP

100 GP

Highly accurate with fast response times, the versatile 100 GP provides complete confidence in a wide range of general process applications including drinking water, municipal wastewater and cooling waters.


100 Ultra

100 Ultra

With no electrolyte to top-up, the 100 ULTRA reduces the maintenance requirements and costs typically associated with pure water applications. Ideal for measurements down to 2 μS/cm thanks to its super-saturated electrolyte matrix.


500 PRO

500 PRO

The 500 PRO series provides the ultimate combination of performance, functionality, and durability for harsher industrial applications. Featuring a unique triple-junction design with ion traps, reference shielding and Viton® Extreme O-ring protection, the 500 PRO provides enhanced poisoning resistance and chemical protection, extending operational lifetime without compromising performance.


700 Ultra

700 Ultra

Featuring a rechargeable reservoir-fed design, the 700 ULTRA is capable of extended operation in the purest of waters. Enhanced with a triple ceramic junction design, the 700 ULTRA provides ultra-fast response times while maintaining measurement stability in the most demanding high purity applications.