The Milwaukee EC59 is a waterproof pocket-size EC, TDS, and temp meter which includes features such as a replaceable probe, temperature in °C or °F, automatic temperature compensation with adjustable ß, battery level indicator, stability indicator, automatic shut-off and automatic calibration all in a floating, waterproof casing. EC59 shows on the dual-level LCD the EC (3999 µS/cm) or TDS (2000 ppm) value. It also displays the temperature from 0.0 to 60.0°C (or 32.0 to 140.0°F) on the secondary level at the same time.