Our most popular pH meter! This meter has every feature a brewer/vintner would want and a replaceable electrode. Features include:.01 resolution with a -2.00 to 16.00 pH rangeAutomatic temperature compensation from 32-140 F Waterproof casing that will float if dropped in liquid Push-button calibrationAuto shut-off after 10 minutes Three level display that lists battery power left Stability indicator tells you when the reading is finalAn excellent, high-end hand-held unit that is packed with all the newest features.You will need to order calibration solutions MT610 to use this product. For long term health of your electrode, use our highly recommended pH storage solution, item # MT618 Click here for a PDF of our Manual on proper PH Meter care.