P50 Pro2 pH/Temperature Meter – More accurate, clearer, and even more user-friendly The P50 Pro2 is the upgraded version of our popular pH/temperature meter – the ideal penmeter for measuring pH and temperature in a wide range of liquids. Suitable for many industries, user-friendly, and highly accurate. What's new in the Pro2: AAA batteries instead of button cells Black display with white characters for improved readability Selectable 1 or 2 decimal precision Calibration reminder after 30 days The meter fits comfortably in your hand thanks to the rubber ergonomic back and the cap cord. With 2-point automatic calibration, IP67 waterproof rating, and the ability to float, it’s built for demanding daily use. The replaceable electrode significantly extends the lifespan of the meter.We recommend storing the meter upright with KCI storage solution in the cap. Range pH: 0.0 ~ 14.0 pH Temp.: 0°C ~ 50°C (32°F ~ 122°F) Resolution pH: 0.1 pH or pH 0.01 Temp.: 0.1 ºC (0.2 ºF) Accuracy pH: ± 0.1 pHTemp.: ±1.0°C (32°F)Temp. compensation: 0°C - 50°C (32°F - 122°F) Calibration pH: 2 point auto 4.0 - 7.0 pH Features Battery indicator & automatic temp. compensation Power supply 2 x 1.5V AAA battery ( included ) Auto. power-off After 8 minutes Calibration indicator After successful calibration, disappears after 30 days Waterproof IP67 Dimensions 230 x 43 x 43 mm Weight 132 grams