YNGSWIO TDS Water Tester, Tester Kit for Drinking Water, Quality with ATC, 0-9990 ppm Measuring Range,Drinking Tap Aquariums, Portable

【Accurate & Reliable Testing Technology】 The YNGSWIO Water Quality Tester features advanced microprocessor technology with ±2% readout accuracy. Its titanium alloy probe ensures high precision, while reliable Automatic Temperature Compensation (ATC) eliminates magnetic field interference in water. This TDS Water Tester delivers readings on a clear LED screen in ppm (0-9990 ppm range) within just 5 seconds. 【Understand What You Are Drinking】 TDS (Total Dissolved Solids) measures water purity. This Digital Water Tester is ideal for checking tap water, Use it as a professional Digital Water Tester to monitor filtration performance and know exactly when to replace your filter. 【Why TDS Levels Matter】 High TDS levels can make water taste salty, bitter, or metallic and may indicate harmful minerals. Using the YNGSWIO Water Quality Tester helps you avoid pipe fouling, dry hair, dish spots, and utensil damage. According to EPA standards, drinking water should stay below 500 ppm — this device gives you instant, reliable verification. 【Long Battery Life & Smart Power Saving】 Press "ON/OFF" to start the Water Tester Kit for Drinking Water; press "HOLD" to freeze the reading. Powered by 2×1.5V batteries (LR44 included), it can last over 2 years with normal use. The unit automatically powers off after 5 minutes of inactivity to conserve battery life. 【Easy-to-Read Display & Simple Operation】 The YNGSWIO TDS Water Tester features a large, backlit LCD screen for easy reading in any light. Its compact, portable design makes it perfect for home, lab, or travel use — no complicated setup required. Simply dip, read, and know your water quality instantly.