43-Series Potassium Ion-Selective Electrode (ISE)

The 43-Series Potassium Ion-Selective Electrode (ISE) is a general purpose, laboratory or field electrode offering affordable, low maintenance Potassium analysis performance for many water applications such as wastewater, agriculture applications and food/beverage.


Sensor Type: PVC Membrane

Range: 0.04-39,000 ppm

Sample pH Range: 2-12

Slope: 56 ± 3 mV/ decade

Interferences: Cs+, NH4+, Tl+, H+, Ag+, Tris+, Li+, Na+


    ABS plastic body with standard 12mm diameter and 120mm length

    • Sealed, gel-filled double-junction reference
    • Fixed sensor membrane (PVC-matrix type)
    • Suitable for all general purpose applications

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