YSI EcoSense pH-EC1030A

This versatile pen-style instrument accurately measures pH, conductivity, TDS, and temperature. In addition to its simple one-hand operation, the pH/EC1030A features automatic temperature compensation; 1- or 2-point calibration; an easy-to-read graphic display with on-screen instructions; HOLD function; automatic calibration and buffer recognition for pH; selectable units of measure for conductivity, TDS, and temperature; selectable or auto-ranging for conductivity or TDS; a 50 data-set memory; and GLP functionality (saves and displays last calibration data). IP-67 Waterproof housing. One-year warranty on the instrument and six-month warranty on the electrode.