The measurement and use of pH has grown dramatically. This parameter has come out of the laboratory and is now being monitored in areas such as the environment, food, agriculture, horticulture, wastewater, pharmaceutical, cosmetic industry, fish farming, metal finishing, education, and anywhere quality is important. Features: • 0 to 14pH • -4.00 to 19.99 pH Range • ±0.01 pH Accuracy • ATC • Display of pH & Temp. • IP 67 • Auto-Calibration • GLP • RS 232 • 12 VDC Power Socket • Log-on-demand • Backlit Display • Intelligent Electrode • Supplied w/Electrode