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  1. R

    pH Meter Calibration points?

    I recently bought my first pH meter - a Hanna Checker, Model HI98103 <details here> Mine is the newer model, and accuracy is +/- 0.2 pH. I am using it for both juice/must/wine and TA (total acid) titrations. My model is capable of either one-point or two-point calibration. Hanna provides...