PH-20 pH Test Pen is a portable direct-reading tester for fast liquid pH measurement. It comes with automatic temperature compensation. No complicated setup required. It powers on automatically and shows readings once dipped into liquid, easy for anyone to use. With lightweight long probe design, it is widely used in aquaculture, water quality testing, beverage preparation, simple lab pH check, cosmetic solution testing and more. Two-point calibration with standard buffer solutions ensures stable and accurate measurement. Auto power-off saves battery. It uses replaceable AA batteries for convenient use. Special electrode maintenance helps resist limescale, grease and protein contamination, extending service life. Great for frequent daily pH testing.
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