This handheld digital pH tester covers the full 0.0–14.0 pH measuring range to detect liquid acidity and alkalinity precisely. Built-in automatic temperature compensation eliminates temperature interference, delivering steady, reliable digital readings on its clear LCD screen in seconds. Simple two-point calibration with standard buffer solutions keeps long-term measurement accuracy easily maintained.

Crafted with lightweight ergonomic ABS housing, its pocket-sized pen design enables effortless carrying for field testing anywhere. The auto power-off function conserves battery power for frequent daily use, while the replaceable probe reduces later maintenance costs effectively.

It widely serves aquariums, swimming pools, hydroponics, drinking water, wine brewing and school chemistry labs. More accurate than disposable test strips, this affordable portable pH meter is a must-have testing tool for home growers, aquarium keepers and amateur lab users.