Extech EX900 ExStik 4-in-1 Chlorine, pH, ORP and Temperature KitExtech EX900 ExStik 4 in 1 Water Quality Meter Kits ExStik 4 in 1 Water Quality Meter Kits Surface measurements of Chlorine, pH, or ORP Using a flat surface electrode Key Features: 4 in 1 Water Quality Meter measures Chlorine, pH, ORP plus Temperature with interchangeable flat surface electrodes (included) Flat surface electrodes work in liquids, semi solids and solids Memory stores and recalls 15 readings and saves last calibrated value Large 3 1 2
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Extech EX900 ExStik 4-in-1 Chlorine, pH, ORP and Temperature Kit