The Combo Pen P110 Pro2 from Aqua Master Tools It is the improved version of the reliable handheld digital meter for measuring pH, EC and temperature in liquids. With its robust and modern housing, ergonomic rubber back and cap cable, it offers comfort and reliability in daily use. What's new in Pro2: AAA batteries instead of button cells Black screen with white characters for improved readability Selectable precision of 1 or 2 decimal places Calibration reminder after 30 days Thanks to continuous software and hardware improvements, the P110 Pro2 remains a favorite among growers and farmers in the agricultural and horticultural sectors. It is IP67 waterproof and floats, so there is no risk of losing it in tanks or reservoirs. The meter is equipped with a dry storage electrode, so it does not need to be stored in liquid. The replaceable electrode ensures longer life and easy maintenance. The P110 Pro2 of Aqua Master Tools It is a complete and reliable tool for accurate pH, EC and temperature measurements in a wide range of liquids. P110 Pro2 Combo Pen Specifications (ph, EC, Temp) Range pH: 0,1 ~ 14,00 pH EC: 0,0 ~ 19,99 mS/cm Temp.: 0°C ~ 50°C (32°F ~ 122°F) Litigation, Arbitration pH: 0,01 or 0,1 pH EC: 0,01 or 0,1 mS/cm Temp.: 0,1 ºC (1,0 ºF) Precision pH: ± 0,1 pH CE: ± 2% FS Temp.: ±0,5 ºC (32 ºF) Temp compensation: 0°C – 50°C (32°F – 122°F) Calibration pH: 2 points auto 4,0 – 7,0 pH EC: Manual calibration suitable for any EC calibration liquid Features Battery indicator and automatic temperature compensation Power: 2 x 1,5 volt AAA batteries (included) Automatic shutdown after 8 minutes Calibration indicator. After successful calibration, the indicator disappears after 30 days. IP67 water resistant Dimensions. After proper calibration, the indicator disappears after 30 days. Weight 132 grams