The Hanna Instruments HI 98128W is a hand-held pH and temperature meter with automatic calibration, a replaceable electrode, automatic temperature compensation, a stability indicator, and an LCD screen. The meter provides readings from -2.00 to 16.00 pH (+ or - 0.1), with a resolution of 0.01 pH. It is designed for wine and beverage making, but can be used for other applicat
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