Description. 100% brand new and high quality. Water temperature test pen PH meter 0.01 acidity meter PH02 test pen EC pen conductivity TDS Ensure your swimming pool, normal hydroponic water or even drinking water has a perfect Ph balance and is safe to use for Ph accuracy. The Ph meter has an automatic temperature compensation function that adjusts for water temperature and water quality to give an almost immediate Ph value. In addition, you can calibrate the tester using buffer powder at the touch of a button. There is no longer any need to be concerned with the temperature of the test liquid as the Ph meter has a built-in (ATC) automatic temperature compensation function, so it can accurately determine the pH value of a sample over any temperature range from 0C-80C (32F-176F). Suitable for home or laboratory use, for testing the PH balance of drinking water, swimming pools, aquariums, Ro systems, spas or hydroponics; for a wide range of applications. Product includes. 1 X PH meter (batteries not included) Attention. 1. The monitor used is not the same, the computer is not the same, the angle of photography is not the same, there may be angle colour problems. 2. Pure manual measurement, there may be 0-1cm error. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store