Description Product Automatic calibration: This ph tester has a good self-adjustment function, which can automatically calibrate the value according to different liquids to save testing time. Get Accurate Data: The PH tester adopts high-precision conversion technology to accurately test the pH value of any liquid you want to test; the PH meter has a sensitive electrode sensor to ensure the accuracy of water quality testing. Take it with you: This water quality tester is small in size and light in weight, it looks like a pen; you can easily take it with you whenever you go out. Not Affected by Different Temperatures: Thanks to the built-in Automatic Temperature Compensation (ATC), the pH meter can adapt well to any temperature for accurate pH value. Wide range of applications: PH meter can be used in drinking water, swimming pool, aquarium, hot spring, aquaculture, well water, food brewing, laboratory testing and other environments. Note:1. Please allow a little error due to manual measurement. Please make sure you dont mind before bidding.2. The color may vary due to different monitors, please understand. Note:Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name, etc. is incorrect, the order will not be delivered correctly.)