Hanna Instruments
HI99301 is a portable, EC/TDS/temperature meter that measures high range conductivity in mS/cm and T..
HI98140 is a portable Calibration Check™ pH meter that utilizes HANNA's SMART electrode technology.
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Hanna storage solutions are prepared with high-grade potassium chloride and potassium hydrogen phtha..
Add this 2-in-1 pH and TDS controller engineered for economical dosage of fertilizer solutions in hy..
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