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    Product description

    The HI98121 is a reliable, waterproof tester that ensures quick and easy measurements of both pH and ORP. This accurate pH and ORP tester features 0.01 pH resolution with automatic two-point calibration and temperature compensation in a single, portable, pocket device. No more switching between meters for your routine measurements.

    • ±0.05 pH/ ±2 mV Accuracy
    • Replaceable pH Electrode
    • Great for pools, sanitizers, wastewater, & industrial.

    Note: do not forget the necessary pH7.01 and 4.01 buffers to calibrate the pH electrode.

    Manual Guide
    Service Document pH meter
    Maintenance pH electrodes
    Measuring pH & EC



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    HI98121 ORP/pH/Temperature Tester
    € 237,-
    HI98121 ORP/pH/Temperature Tester
    1 In stock: Ordered on working days before 17:00, shipped the same day.
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