Our PH-201 pocket pH tester delivers precise liquid pH detection for home, lab and commercial use. It covers a full 0–14 pH measuring range with 0.01 pH high resolution, offering stable readings within 0.4 seconds. Equipped with a clear LCD screen and manual calibration knobs, it supports simple calibration with pH4 and pH7 buffer solutions to maintain reliable accuracy.

Made of lightweight durable plastic, this compact pen-style meter weighs only 153g and fits easily in bags for on-site testing. It runs on a 9V battery with low-battery reminder, working steadily at 0–50°C. The replaceable BNC electrode extends its service life.

Perfect for aquariums, swimming pools, hydroponics, wine brewing, drinking water and school lab experiments. No complex setup required—just dip the probe into liquid to get instant pH data, a cost-effective essential water quality testing tool for daily monitoring.