Meter with flat surface electrode for fast and easy on-the-spot pH measurements Features: * Built-in Smart chip offers advanced functions and features to a stick style pH meter not found anywhere else * RENEW feature that tells you when it’s time to replace your pH electrode * CAL feature that tells you when it’s time to recalibrate your meter * Flat Surface pH electrode that is completely waterproof and rugged enough to withstand harsh environments * Analog bargraph originates at neutral point (pH 7.00) to conveniently view trends in acidity or alkalinity * Temperature measurements with Atomatic Temperature Compensation * 1, 2 or 3 point calibration automatically recognizes buffer solutions. Order pH buffers separately * Complete with flat surface pH electrode, protective sensor cap, sample cup with cap, four 3V CR-2032 button batteries, and 48" (1.2m) neckstrap