TDS Tester, Multifunctional Digital Meter, Professional Water Quality Tester, Purity Tester, 0-9990 ppm, Range Meter with LCD Display for Tap Water Aquariums

【Precise Measurement】Titanium alloy probe, two 1.5V (LR44) batteries, can perform precise measurements, avoid electromagnetic interference in the water, and have a long standby time. 【Healthy Water】Detects contaminants in water. Soluble salts, ionic organic compounds, heavy metal ions, and other elements provide you and your family with many options for safe drinking water. 【Hold Function】The TDS meter supports the hold function, which can save measurement results for easy reading and recording. TDS meter, TDS tester, PPM meter, water quality tester, digital TDS meter. Energy Saving: LCD display, waterproof design. The auto-off function allows you to turn the device off after 5 minutes of inactivity to save energy. 【Wide Application】Test for impurities in water such as some soluble salt elements, ionic organic compounds, heavy metal ions, etc. It provides convenience for you and your families to get cleaner water. The TDS tester can be used in aquariums, beverages, quality control, fish farming, food processing, laboratories, schools, colleges, swimming pools, etc.