Refex - Model 2001 -12mm pH Combination Electrode

Maintenance free REFEX™ 2001 Series electrodes are designed for pH measurement applications in many industries. 2001 Series combination electrodes feature the patented REFEX non-porous, hard ionically conductive interface/barrier to prevent reference electrode electrolyte loss and poisoning. These are available in three different lengths 120mm, 225mm, 325mm and 425mm. Typical application areas: Petro/Chemical, Pulp & Paper, Pharmaceutical, Water Treatment, UPW.