Electrodes & Probes

Shop our selection of highly accurate and simple to use electrodes and probes. Hanna's electrodes and probes boast an excellent value due to their accuracy and affordability.

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  1. HI4105 Carbon Dioxide Combination Ion Selective Electrode

    The HI4105 is a gas sensing, combination ion selective electrode (ISE) for the determination of carbon dioxide (CO2) in solution. Its PTFE membrane allows for carbon dioxide gas diffusion into a thin layer of internal electrolyte. The internal sensing elements are within a durable Delrin® body.

    The HI4105 is ideal for a variety of applications including water, beverage, and wine applications.

    gas ISE membrane sensor

    Replaceable PTFE membranes

    Durable Delrin® body

    Detection from 17.6 to 880 mg/L CO2

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