Versatile: Our pH meters are used to check the pH of various liquids. The TDS water hardness tester and CE tester are specially designed for testing the quality of liquids such as drinking water, aquarium, swimming pool, swimming pool, hot spring, pond, water bath, well water, etc., to ensure daily water safety It is used to measure the quality of all liquids Professional meter for conductivity, water hardness and temperature. EASY TO USE AND WIDE DISTRIBUTION: Both pH meters and TDS have sensitive electrode sensors to check water quality by simply dipping it in solution for 4 seconds. It is an excellent tool in various applications: such as aquariums, ponds, fishing, swimming pools, spas, laboratories, chemical industry, hydroponics, agriculture, etc. High accuracy and ATC capability: pH meters have a digital range of 0.00 to 14.00 (PH), while EC and TDS digital meters have a digital range of 0 to 19,990 ppm. The pH resolution is 0.01pH and the accuracy is 0.05pH. TDS: 0~9990ppm, conductivity: 0~9990us/cm, accuracy: 2%. Our meters are equipped with reliable automatic temperature compensation (ATC) to ensure accurate readings at different temperatures. Portable and updated LCD display: thanks to its compact size, you can easily take with you wherever you go. Digital pH meters and TDS meters feature illuminated displays so you can read water quality results more accurately. Easy to use even in dark environments. Both have an auto-shutoff feature to extend battery life. BEST GIFT AND IDEAL CHOICE: Perfect for the home or the lab, it's the best gift.