This 2-in-1 digital water quality tester simultaneously measures pH value and water temperature, covering 0.1–14.0 pH and 0–50℃ temperature with ℃/℉ switchable function. Built-in ATC automatic temperature compensation effectively avoids reading errors caused by liquid temperature changes, delivering stable high-precision data with 0.01 pH resolution.

Equipped with a dual-display large LCD screen, it shows two sets of data at a glance, plus data hold function to lock readings for easy recording. The corrosion-resistant sensitive probe offers fast response, and matched calibration powders are included for one-key simple calibration friendly to beginners.

Compact pen-shaped waterproof body with protective cap supports portable field testing. Widely applied to drinking water, aquariums, hydroponics, swimming pools and laboratory liquid analysis, it is an affordable daily tool for routine water pH and temperature monitoring.