The Horiba LAQUA Twin pH meter is one of the best quality portable pH meters on the market. Simply immerse tip in sample or place a small amount of your sample directly on the ion selective membrane and you get fast and highly accurate pH results that are instantly displayed on the convenient 3-1/2-digit LCD. Also features easy two-point auto-calibration. Simply hold the "cal" button until it say 7.01 and then add the calibration solution, then press "cal: again so it says 4.01 and then add that calibration solution also. Very quick and simple calibration. Agriculture Solutions LLC includes hard case an additional wash bottle and 125ml each of additional calibration solution. Also includes 1 year warranty.
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