Apera Instruments PH20 Value pH Meter, Pocket Tester, Waterproof, ±0.1 Accuracy, 0 14 Range, ±0.5C Temperature Sensor, Complete kit

Measures pH from 0.0 to 14.0 and temperature, with automatic temperature compensation (ATC) from 0 to 50 °C Accuracy ±0.1 pH, designed for pools, ponds, aquariums, hydroponics and water treatment. If you need ±0.01 pH for laboratory or quality control, choose the Apera PH60 IP67, waterproof and floating, automatic shut-off after 8 minutes of inactivity Easy calibration with automatic buffer recognition, up to 3 calibration points. Large LCD shows pH and temperature simultaneously Complete kit with pH 4 and pH 7 calibration solutions (50 ml each), 4 AAA batteries, lanyard and carrying case. Storage solution (3M KCl) is not included, but extends sensor life

Easy Auto calibration with Buffer recognition; Auto Temp. Compensation (ATC) ensures accuracy in variant temperatures (0-50.0C) Complete Kit with ready-to-use calibration solutions, batteries, and a lanyard in a portable carrying case Auto recognition of stable values improves consistency so you don't have to guess when to manually hold measurement An ultra-clear 180 viewing angle screen with dual display of Temp./pH and indications of completed calibrations and stable readings 2000 hours' continuous operation, powered by AAA batteries