•Professional TDS Test, EC Test, Temperature Test and pH Test 4 in 1 water quality test kit. Upgrade with big backlit LCD for easier detector for Drinking Water, Hydroponics Aquariums, Fishpond, Swimming Pools •Just turn TDS meter on and stir water gently, then stabilized readings will be show on LCD display in seconds. Press the “HOLD” key, the detected value will be locked for easy recording. 5 seconds know water quality situation. Fast and Accurate •PH meter resolution is 0.01pH, accuracy is ±0.01pH(at 25℃), measurment range is 0-14 pH. TDS meter ranges from 0~9990ppm, conductivity ranges from 0~9990 us/cm, EC ranges from 0~9990 us/cm, accuracy is ±2% •Working temperature of PH meter: 0 ℃ -60 ℃. To achieve high accuracy, PH tester equipped with precision glass bubble electrode can automatic adjustment according to water temperatures and give ph readings almost instantly. Needn't worry about the temperature of test liquid will affect the detection value Specification: •Size: 15.4 x 3 x 1.4cm •Resolution: TDS: 1PPM, EC: 1us/cm •Temperature: 0.1℃ •Accuracy: TDS/EC: ±2% •Battery: 1*3V (CR2032 button battery) •Display: LCD display Package included: •1 x Water Quality Test Meter Professional TDS Meter Digital Water Test Meter PH Meter Kits