MultifunctionalWater quality test kit capable of TDS test, EC test, temperature test and pH test, Large LCD backlit display makes reading easier.Accurate and ReliableThe measuring range of the pH meter is 0.00~14.00ph, while the measuring range of the digital EC and TDS tester is 0~9990s/cm and 0~9990ppm. PH Accuracy 0.05ph and TDS/EC Accuracy 2%.Easy to useJust turn on the pH meter or TDS/EC meter, put it in the solution to be tested and stir gently to avoid air bubbles around the electrode, until the reading is stable to obtain the purity and pH of solution.Wide ApplicationIdeal for home and laboratory pH & TDS testing, including drinking water, water in fish tank, aquariums, swimming pools, well water, aquaculture, food processing, and More.PH Meter and TDS/EC Meter 1 set includes 1 ph meter,1 TDS/EC/TEMP meter and 3 calibration buffers. Comes in a retail box for easy carrying, especially when camping, lightweight and portable pH meter and TDS meter are ideal for testing water quality."