43-Series Nitrate Ion-Selective Electrode (ISE)

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


Sensor Type: PVC Membrane

Range: 0.4-62,000 ppm (as NO3-)

Sample pH Range: 2.5-11

Slope: 55 ± 3 mV/ decade

Interferences: ClO4-, I-, ClO3-, F-


    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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