VIVOSUN Digital PH and TDS Meter Kits, 0.01pH High Accuracy Pen Type PH Meter 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter For Hydroponics, Po

Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools 3-in-1 TDS meter: Measurement Range 0-9990ppm, 0-9990μs/cm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F. Note: This meter can't test sea water. Comes with protective case; Lightweight, handheld design for portability and convenience Due to recently reviews about 1413 solution, please note that TDS Meter had been calibrated by 1413 solution in advance; You can use it directly and it could last for 1 year without second calibration; So 1413 calibraiton solution is not included International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Your 1# Choice to Know Water Quality: The VIVOSUN TDS EC PH Meter Set is a professional water quality test meter.