Hanna Instruments

pH Checker Plus HI98100 Checker - Fresh & Marine Water (OPEN BOX BRStv) - Hanna Instruments

In stock

Earn 34 Reward Points

- +

    The most popular pH checker in the world has been giving consistent, reliable readings to over 1 million people. The HI98100 is very easy to calibrate to either one or two points with an extra large LCD readout, and single button operation makes this one of the best pH checkers on the market. The HI98100 also has a replaceable electrode making this the last pH checker you will ever need to buy.


    Whats Included:

    • HI98100 pH Checker unit
    • HI1271 pH electrode
    • Plastic Carrying Case.
    • Hanna pH 4.01 Calibration Solution (2x)
    • Hanna pH 7.01 Calibration Solution (2x)
    • Hanna Electrode Cleaning Solution (2x)
    • instruction manual, instrument quality certificate and plastic carrying case.


    The pH in your tank is very easy to monitor and will tell you a lot about what is going on in your tank. If you need a pH checker for your main tank or just want to know what your water change water is, or really any liquid around the house this is the checker you have been waiting for.

    The HI98100 Checker Plus pH testing unit has had a couple extra features added over the original model that everyone has grown to love while still retaining the same look and feel. With automatic calibration recognition, stability indicator, battery indicator, and auto-shut off the HI98100 is built to last a life time.


    Single Button Operation - A single, large button will give you readings within seconds saving you valuable time.

    Large LCD Readout - The large LCD screen makes reading measurements easier than ever with no guessing.

    Automatic Calibration - The Checker Plus is calibrated automatically to one or two points. The calibration buffers are automatically recognized and after calibration the buffer values used are shown on the display as a tag.

    Stability Indicator - The hour glass icon will indicate when a stable reading has been reached. Once the indicator disappears from the screen a stable reading has been reached and can then be recorded.

    Automatic Shut-Off – The meter can be set to automatically turn off after 8 minutes or 60 minutes to conserve battery life in the event that the meter is left on. The auto off feature can be disabled.

    Battery Life - The super long battery life will on average last close to 1000 hours. When the battery is running low and low battery indicator will illuminate on the LCD display. The battery is easly replaced on the back side of the checker.

    pH Range - 0.00 to 14.00 pH
    pH Resolution - 0.01 pH
    pH Accuracy - ±0.2 pH
    Calibration - Automatic, one or two points with three standard calibrations available (pH 4.01, 7.01 and 10.01)
    Battery Type/Life - 1.5V CR2032 (1) / approximately 1000 hours of continuous use
    Electrode/Probe - HI1271 pH electrode with screw type connector (included)
    Environment - 0 to 50°C (32 to 122°F); RH max 95%
    Dimensions - 50 x 174 x 21 mm (2 x 6.8 x 0.9”)
    Weight - 50 g (1.8 oz.)

    More Information
    Product Name pH Checker Plus HI98100 Checker - Fresh & Marine Water (OPEN BOX BRStv) - Hanna Instruments
    SKU 209906D
    Write Your Own Review
    You're reviewing:pH Checker Plus HI98100 Checker - Fresh & Marine Water (OPEN BOX BRStv) - Hanna Instruments
    Your Rating
    Only registered users can write reviews. Please or