High-Precision pH & Temperature Measurement: This pH meter kit features a 0-14 pH range with 0.01 pH resolution and ±0.1 pH accuracy, along with a temperature range of 32-140℉/0.1-60℃ and 0.1°C resolution for fast, accurate water parameter testing

Auto Calibration & Self-Diagnosis: This pH tester supports 1- to 3-point automatic pH calibration (4.00/6.86/9.18) and features a self-diagnostic function with automatic temperature compensation (ATC) for accurate, reliable readings

Large LCD Display: The large 1.61 x 1.97 in / 41 x 50 mm LCD screen simultaneously displays pH value and temperature, and shows reading stability and calibration status. This digital pH meter features a backlight for easy reading in various environments

Data Storage & Auto Shut-off: This pH meter for water supports manual storage of 99 measurement sets and automatically powers off after 1 hour of inactivity to save power and extend dry battery life

IP68 Waterproof Long Probe Design: The electrode probe on this pH meter is IP68-rated and comes with an approximately 45.28 in / 1.15 m cable, allowing measurements deep inside containers for more flexible and convenient use