Digital ph meters are ideal instruments for determination of ph value of any aquons solution. The results are displayed on a 3½ digit display. These are unique instruments that combine convenience with accuracy and precision in analysis. The temperature compensation facility, both automatic and manual is available. The measurement range is from 0 to 14 ph with a resolution of 0.01 Ph. Ph tester can be used as a professional laboratory testing instrument or a tool to improve the quality of life, which can be used to detect ph balance in drinking water, swimming pools, aquariums, reverse osmosis systems, hydrotherapy or hydroponics. Basically all environments that need to test ph can use this tester to get accurate data.