2026 NEW 4-in-1 TDS Meter Digital Water Tester，Portable Water Quality Tester TDS/EC/Temperature (℃/℉) Meter 0-9999ppm,Range±2% Accuracy Testing for Drinking Water, RO/DI System Aquariums Hydroponics

• Professional Accuracy Reliability: This advanced tds meter utilizes a titanium alloy probe and smart chip to deliver professional-grade results with ±2% accuracy and 0.02ppm resolution. You can trust its stable readings for a precise assessment of your water's purity, making it a superior water tester drinking families can rely on.
• 4-in-1 Comprehensive Analysis: Get a complete water quality snapshot instantly. This multi-function water tester measures Total Dissolved Solids (TDS), Electrical Conductivity (EC), and Temperature in both °C and °F with one dip, providing far more data than a basic water testing kit for a thorough evaluation.
• Intuitive Color-Coded Safety Alert: Features an exclusive red/green warning system for instant understanding. The display backlight turns RED when TDS exceeds 40ppm as a caution, and GREEN for readings under 40ppm to indicate safer water quality, simplifying analysis without needing expertise like with complex aquarium test strips.
• User-Friendly Design with Auto Features: Designed for hassle-free use, it has a clear backlit screen for any lighting, a HOLD function to lock readings, and auto power-off after 5 minutes. This compact tds meter digital water tester comes with a protective case for portability, ready for instant "dip-and-read" testing anywhere.
• Versatile for Home & Hobby Applications: An essential multi-purpose tool. Use it to check tap water, bottled water, or RO filter efficiency (knowing when to change filters). It's also perfect for aquarium maintenance, hydroponics, well water testing, and travel, outperforming single-use water hardness test kit or ph tester for water strips.

Directions 1. Turn on the device. 2. Dip the probe into the water sample. 3. Wait for the readings to stabilize. 4. Interpret the results using the color-coded safety alert system. 5. Use the HOLD function to lock readings if needed. 6. Auto power-off after 5 minutes of inactivity.