Check the listing for details. Water Quality Tester,TDS Meter,EC Meter&Temperature Meter 3in1 Accurate&Reliable. Condition: New. Listed at 10.66 USD. Membrane Solutions LCD TDS Meter Digital Water Quality Tester,3 in 1 TDS,Temperature and EC Meter,Accurate Ideal PPM Meter for Drinking Water, Aquariums, Swimming Pool, Hydroponic TDS Meter Water Testing Kits with LCD Backlit Description: The LCD digital TDS meter tester is used for testing the filter water quality purity, to check the performance of your water. In order to make sure you always drink pure and safe water, the TDS meter tester is recommended for every family. Advanced Features 💧💧【High Accuracy】This 3-in-1 quality tester uses a food-grade stainless steel probe and ATC (Automatic Temperature Compensation) to read the temperature instantly to ensure that the water quality tester reads accurately at various temperatures, and does not test pH.💧💧【3 in 1 Function】This professional Water TDS meter can test TDS, EC, and temperature. It can measure the TDS value ranging from 0~4995 ppm and the EC value ranging from 0~9990 μs/cm.💧💧【Auto off & Lock Functions】The TDS tester has a data-hold function, it locks your readings making them easy to record. The TDS tester has a power-saving function, and the digital water quality tester will automatically shut down after 5 minutes of standby.💧💧【Backlit Display】The water quality tester uses an advanced LCD backlight display design, making readings easier and clearer. The data can be viewed clearly in the dark. You will prefer its comfortable shell.💧💧【Multifunctional use】This TDS tester helps you find out the quality of the water for drinking, bathing, a cup of salt water, pools, etc. It also helps you gain a clear insight into the nutrient levels in hydroponic setups, garden soil, and so on. Measurement Range Conductivity: 0 - 9999µs/cm; TDS: 0 - 9999ppm; Degrees Celsius: 0.1 - 80.0°C, Fahrenheit: 32.0 - 176.0°F Resolution: TDS: 1ppm; EC: 1µs/cm Battery: 1*3.0V (CR2032) (built-in) Accuracy: ± 2% Net weight: 1.94oz (55g) Size: 6 x 1.2 x 0.6 inches (154 x 30 x 14 mm) TDS Meter Water Testing Kits without LCD Backlit Specification Measurement Range: TDS: 0-9999 ppm ± 2% EC: 0-9999 μs/cm ± 2% Temperature: 32.0-176.0°F (0-80.0°C) Auto-off Function: Extend the battery lifetime. HOLD Function: Press HOLD to lock and record the readings. SHIFT Function: Press SHIFT button once to choose between TDS and Conductivity (EC). Press SHIFT button twice to choose between Celsius and Fahrenheit. Package list 1.1 x TDS & EC Meter w/LCD,1 x User's manual,1xPlastic Case2.2 x TDS & EC Meter w/LCD,2 x User's manual,2xPlastic Case3.4 x TDS & EC Meter w/LCD,4 x User's manual,4xPlastic Case4.1*TDS&EC Meter w/o LCD,1* User Manual,1* Leather Case5.2*TDS&EC Meter w/o LCD,2* User Manual,2* Leather Case6.4*TDS&EC Meter w/o LCD,4* User Manual,4* Leather Case