Oakton pHTestr® 50S Spear-Tip Waterproof Pocket Tester, Premium 50 Series

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About this item Premium multi parameter pocket testers for field and lab testing Available in pH, Conductivity, TDS, Salinity, and ORP models Replaceable, double-junction sensors f or durability and longevity against aggressive samples Four-button keypad for technician level use Leakproof cap functions as a sample cup, hydrating cup, and stabilizing base to stand the meter upright Show more