43-Series Calcium Ion-Selective Electrode (ISE)

The 43-Series Calcium Ion-Selective Electrode (ISE) is a general purpose, laboratory or field electrode offering affordable, low maintenance Calcium analysis performance for many water applications such as beverages, milk, aquariums, and water hardness evaluations.


Range: 0.02-40,100 ppm

Sample pH Range: 2-8

Slope: 26 ± 2 mV/ decade

Interferences: Pb2+, Hg2+, Si2+, Fe2+, Cu2+, Ni2+, NH3, Na+, Li+, Tris+, K+, Ba2+, Zn2+, Mg2+


    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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