TDS Meter Professional Digital Water Quality Tester 0-9990ppm with LCD Display for Drinking Water Aquariums

Description: A TDS meter is a cost-effective and convenient digital tool to instantly check your overall water quality, offering much convenience for you and your families to get a more clean water.   How to Use: 1. Take down the protective cap and press the ON/OFF button for turning on. 2. Put it into the ready to test solution, and the solution height should not exceed 4cm (from the probe end to start) 3. Stirring the measuring probe in the solution to be tested gently for stable data reading. 4. After use, please wipe and dry the probe with cloth, and put on the protective cover for storage.   Specifications: TDS Range: 0-9990ppm Temperature Range: 0-99? Accuracy: ±2% Battery Type: 2 * 1.5V LR44 Button Batteries(included) Size: Approx. 15.5*3*1.8cm/6.1*1.18*0.71in Weight: Approx. 70g   Package Included: 1 * TDS Tester   Note: 1.TDS (Total Dissolved Solids) is a measure of the combined content of all inorganic and organic substances contained in a liquid in molecular, ionized or micro-granular (colloidal sol) suspended form. 2.TDS measurements will influenced by temperature, please press the "hold" button for fixed numerical value in a few minutes.