The High Accuracy TDS Meter and PH Meter Digital Water Tester is a versatile tool for testing the quality of water in various applications. It is suitable for both home and laboratory use, making it ideal for aquariums, swimming pools, and other testing needs.The PH Meter has a full measurement range of pH 0 - 14, providing reliable and quick readings. It is designed for easy calibration and features auto temperature compensation, allowing it to adjust to different water temperatures and quality. With its lightweight and handheld design, it is portable and convenient to use. The meter comes with a protective case for added durability.The 3-in-1 TDS Meter is capable of measuring a wide range of TDS levels, from 0 to 9990ppm. It also measures conductivity from 0 to 9990s/cm, with an accuracy of 2%. The meter can be used to measure temperature from 0.1 to 80.0C (32.0 to 176.0F). Please note that it is not suitable for testing sea water. The TDS Meter is compact and easy to use, making it a valuable tool for water purity testing.Key Features:PH Meter with full measurement range of pH 0 - 143-in-1 TDS Meter with measurement range of 0-9990ppm and 0-9990s/cmAuto temperature compensation for accurate readingsComes with protective case for durabilityLightweight and handheld design for portabilitySuitable for home and laboratory useIdeal for aquariums and swimming poolsCompact and easy to use