Master your all-grain brewing with this easy to use and accurate (2 decimals!) pH meter. The Milwaukee IP65 Waterproof pH tester displays pH and temperature (°C or °F) and has an extended range from -2.00 to 16.00 pH (with a 0.01 pH resolution). It simultaneously shows temperature from -5.0 to 105.0°C or 23.0 to 221.0°F and automatically adjusts for temperature. The modular design allows for easy electrode and battery replacement.