pH Meter Tester, 3-in-1 Electronic Pool pH Tester, TDS Meter, Temperature Tester, Water Quality Tester with LCD Screen and Accurate Readings, for Swimming Pools and Aquariums

【3-in-1 MODE】: This pH meter is designed in a 3-in-1 format to test the quality of liquids such as drinking water, aquariums, swimming pools, spas, well water, etc. Ensure daily water safety. Please note that the pH meter in the video does not have a green backlight, which is only for reference when reading the pH meter. Our pH meter has a green backlight. Please contact me if you need a user manual in French.【High-Precision Tester】: pH meter: Measuring range is 0.00 to 14.00 pH; Resolution is ±0.01 pH; Accuracy is ±0.01 pH. TDS meter: Measuring range is 0-19999 ppm; Resolution is 1 ppm; Accuracy is ±2%. Thermometer: Measuring range is 0-60°C/32-140°F, Resolution 0.1; Accuracy is ±0.5°C. 【Powerful】: The pH tester is capable of automatic three-point calibration (accuracy is 0.01 pH). No adjustment is necessary before use. It is very convenient to use. The pH test pen also features automatic temperature compensation, allowing you to obtain more accurate test values. It also automatically shuts off after 5 minutes of inactivity, extending the product's lifespan. 【Wide Application】: The pH meter is suitable for various liquid pH testing applications, such as drinking water, fishing, aquariums, swimming pools, school laboratories, food, beverages, reverse osmosis systems, hydroponics, and spas. After use, please wipe the water off the device with a clean cloth. Keeping the equipment dry can prolong its lifespan.