31-Series pH Electrode

The 31-Series pH Electrode is a general purpose, lab or field electrode offering affordable, low maintenance performance for many water applications.


Polycarbonate body with standard 12mm diameter and 120mm length. Bulb guard can be removed for easy cleaning.

  • Sealed, gel-filled reference available as single or double junction
  • Ceramic pin/pellon junction for great performance
  • Suitable for all general purpose applications

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