Electrolyzer Quick Water Quality Testing Electrolysis Iron Rods Digital Test Meter TDS Characteristic: 1. Very easy to use, quick testing, obvious results. The easiest and cheapest way to check the quality of water, see the condition of your drinking water 2. The electronic color tester is an effective tool that visually demonstrates the difference between high TDS water and low TDS water. 3. Automatic shutdown function. Meter turns off automatically after 10 minutes of non-use to save batteries 4. Pause function. The TDS tester saves measurements for convenient reading and recording. Large and easy-to-read LCD screen for display 5. Great for testing salt, metal or minerals in water. The perfect toolkit for drinking water, filtration and water purification, hydroponics, aquariums, swimming pools and spas and more Specification: Material: plastic Measuring range: 0-9999 Measurement accuracy: 0,01 Resolution: 0,01 Test pen size: approx. 15,6 * 3 * 1,6 cm / 6,1 * 1,2 * 0,6 inch Package includes: approx. 245g The package includes: 1 * Water Quality Tester Kit Note: