Hongxin Water Quality Tester, Accurate and Reliable, TDS Meter, 0-9990 µs/cm, 13V CR2032 Battery (Included),Extreme Wide use (White)
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Automatic Temperature Compensation.Equipped with backlit LCD for easy reading.Auto-Lock Function: From test beginning, the reading can be stabilized in seconds, and locked automatically for easy read and record. MULTIFUNCTIONAL AND UPGRADED: Professional TDS, EC and Temperature Pen 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use. EASY AND INSTANTLY: Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes. MULTIPURPOSE TDS TESTER: Test drinking water purity to ensure it's healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), pool and spa, etc. Factory Calibrated: No need calibration by user.A colorful TDS chart on the back to explains ppm readings. Includes a protective carrying case with belt clip, easy to carry.