Water quality tester, 4-in-1 pH meter, TDS and EC thermometer with LCD screen, high precision (0.01 resolution), for drinking water, swimming pools, aquariums, hydroponics (cannot test

General Description This 4-in-1 water quality tester is an essential tool for checking the quality of your water, whether for drinking water, swimming pools, aquariums, or hydroponic crops. Compact and lightweight, it is easy to carry, making it ideal for use at home or on the go. Technical Specifications: TDS Measurement Range: 0 to 999 ppm; EC Measurement Range: 0 to 9999 µS/cm; Accuracy: ±2%; Resolution: 0.01; Display: LCD with backlight; Auto power off after 5 minutes of inactivity. Compatibility and Accessories: Suitable for testing the quality of drinking water, aquariums, swimming pools, well water, and more. Includes: 1 TDS/EC meter tester, 1 battery, and instructions. Installation: Turn on the TDS meter and immerse it in the water to be tested. Gently stir the water and press the "HOLD" button to stabilize the reading. Operation: Switch between TDS and EC modes by pressing the "SHIFT" button. To switch between Celsius and Fahrenheit, press the button twice. Press and hold "SHIFT". The hold function stores the measured values for easy reading. Other information