Digital pH Tester

The Digital pH Tester is a compact, user-friendly instrument designed to provide fast, precise, and reliable measurements of pH levels in liquids, including water, soil suspensions, and various chemical solutions. It is an essential tool for laboratories, environmental monitoring, agriculture, aquariums, food production, and many other fields where pH control is critical. Equipped with a high-sensitivity glass electrode or combination electrode and a clear digital LCD screen, this tester allows users to monitor acidity or alkalinity instantly with a simple one-button operation. The device often includes automatic temperature compensation (ATC) to ensure accuracy under varying temperature conditions. The ergonomic, waterproof design makes the tester durable and ideal for both lab bench use and fieldwork. Many models offer features like data hold, auto calibration, and low battery indication, enhancing usability and precision.

Operating Instruction of Digital pH Tester

1. Take off the protective cap from metal probe
2. Press OFF/ON button. Tester displays “7.00”.
3. Insert the metal probe vertically into the sample that requires testing, at least 6-8cm deep. Make sure there is close contact(Soil need to humid~60%-80%). The tester will start testing automatically. After about 1 minute the test is over. Indication light will be on for about 10 seconds. The displayed number is locked, which is the value of pH.
4. After each test, take out the tester, wipe the metal probe clean with towel or tissue paper. Display will be unlocked, and show “7.00″. It is ready for a newtest.
5. After use, wipe the metal probe clean until it displays “7.00”. Switch off the tester.

Technical Specification :