3-in-1 Multi-Function Testing: This pH meter combines pH, TDS, and temperature measurement in one device, making it suitable for accurate testing of tap water, home and commercial water purifiers, and industrial water treatment applications

High-Precision Measurement: This pH pen features a 0–14 pH range, 0-9990ppm TDS range, and 0-9990 μS/cm EC range. It is ideal for testing a wide range of solutions, from purified water to high-concentration liquids

Auto Calibration & ATC: Our pH tester supports 1 to 3-point automatic calibration (includes 4.00/6.86/9.18 calibration powder) and features built-in automatic temperature compensation (ATC) to ensure accurate readings in different environments

Complete Kit: The digital pH meter kit includes a main unit (with pre-installed electrode), a user manual, and 3 standard calibration powder packets. The complete accessories ensure convenient out-of-the-box use and future maintenance

Wide Applications: Designed for drinking water testing, aquariums, fish tanks, hydroponic growing, and scientific research, this pH meter for water is an ideal tool for water quality monitoring