TDS Meter, Water Quality Tester – Highly efficient and accurate due to its advanced microprocessor technology,The TDS meter one measurement can be completed within 5 seconds. – TDS meter Built-in Digital Thermometer, ppm meter, Display: Large and Easy-to-read LCD Screen. – Long battery life cycle: The TDS Meter used with 2pcs 1.5V batteries, can use more than 3 years, it will be power-off automatically after stop using in 5 minutes to save the battery. – Application: Widely used in swimming pools, drinking fountains, aquariums, hydroponics, TDS testing, water quality testing, ppm tester, solubility testing and more. – High accuracy: +/- 2% Readout Accuracy Testing, the titanium alloy probe has high test accuracy, which can avoid the interference of magnetic field in water.Imported High-Quality Clip.