Portable pH/mV Meter Hanna HI8424

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    Hanna HI8424 Offers

    This pH meter can offer nearly the same performance as a top-of-the-line microprocessor bench meter, making it one of the most popular pH meters on the market. By utilizing an advanced, custom microprocessor, it is able to perform pH, ORP and temperature measurements with high accuracy and fast response.


    • The mV measurements switch automatically from 0.1 to 1 mV resolution when readings reach ±699.9 mV
    • Temperature effects are automatically or manually compensated for, from 0 to 100°C (32 to 212°F)
    • The meter has 3 memorized buffer values (pH 4.01, 7.01, 10.01), and automatic buffer recognition to avoid errors during calibration
    • When powered on, the percentage of remaining battery life is indicated on the display panel.
    • The user can enable or disable the Auto-off feature, the acoustic signal, the back-lit display and choose from either °C or °F temperature measurements
    • Indicates buffer values used for the most recent calibration and thanks to the HOLD function, the reading can be frozen on the display to be logged manually

    Hanna HI8424 Specifications

    Range-2.00 to 16.00 pH
    Accuracy±0.01 pH
    Resolution0.01 pH
    Range±699.9 mV
    ±1999 mV
    Accuracy±0.2 mV; ±1 mV
    Resolution0.1 mV; 1 mV
    Range-20.0 to 120.0°C (-4.0 to 248.0°F)
    Resolution0.1°C / 0.1°F
    Accuracy±0.4°C (±0.8°F)
    General Specifications
    pH Calibration Automatic1 or 2 point with 3 memorized buffer values (4.01, 7.01, 10.01)
    pH Calibration Offset±1 pH
    pH Calibration Slope75 to 110%
    Input Impedance1012 Ω
    Temperature CompensationAutomatic
    -20 to 120°C (-4 to 248°F) or manual without temperature probe
    pH ElectrodeDouble junction, gel filled PEI (PolyEther-Imide) body,
    BNC connector, 1m (3.3') cable
    Power Supply9V Battery
    Battery LifeApprox. 150 hours of continuous use; auto-off after 20 minutes of non-use or disabled (user-selectable)
    Environment0 to 50°C (32 to 122°F)
    RH max 100%
    Dimensions164 x 76 x 45mm (6.5 x 3.0 x 1.8")
    Weight180g (6.3 oz)

    What's included with the Hanna HI8424

    • pH Meter
    • pH Electrode
    • Temperature Probe
    • pH 4.01 Buffer Solution Sachet
    • pH 7.0 Buffer Solution Sachet
    • 2 x Electrode Cleaning Solution Sachet
    • Battery
    • Protective Case
    • Instruction Manual