There are digital and analog options: the digital solution offers the greatest advantages, as it facilitates advanced integrated diagnostics; it is the most effective way to ensure consistently good water quality. 
ABB's plug-and-play EZLink technology connects any of the new sensors to ABB's range of digital transmitters, including the recently launched AWT420. EZLink streamlines installation and commissioning and provides access to maintenance data, allowing users to replace sensors at the right time.
This new range includes innovations such as permanent impedance diagnostics to detect electrode faults without the need for a grounding solution. Another feature is the intelligent Reference Electrode Monitoring (REM) system, which provides early warning of electrode damage.
Optimal temperature compensation is ensured by placing the pH electrode, the reference electrode, and an integrated temperature sensor at the electrode tip.
The new sensors feature a range of custom-made glass designed to meet requirements such as high pH levels, high or low temperatures, or the need for good acid resistance. General-purpose glass is available for a range of aqueous media.

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