The Oakton PH30 is a rugged, waterproof handheld meter designed for accurate and reliable pH, mV, and temperature measurements in demanding field or lab environments. Its IP67-rated housing ensures it is completely protected against dust and water, and it even floats if accidentally dropped in liquid. The large, multi-line LCD provides simultaneous display of pH or mV readings with temperature, making it easy to monitor all parameters at a glance. This meter features up to five-point pH calibration with automatic buffer recognition for USA, NIST, and DIN standards, ensuring high precision across a wide range. With features like automatic temperature compensation (ATC), a 100-point data memory, and a built-in stand for benchtop use, the Oakton PH30 is a versatile and user-friendly tool for water quality analysis, environmental testing, and general laboratory applications.