3 IN 1 Portable Digital PH Meter TDS Meter High Accuracy Water Quality Tester

Features: Compact portable design-Pocket pH meter, light weight and compact structure. It fits perfectly and hides in your bag or pocket for easy carrying.Automatic correction button one-key correction.Fast and accurate results: no test strips are required. Resolution: 0.01 pH, accuracy: ± 0.01 pH.Ideal instrument for any aquarium, fishery, swimming pool, spa, school laboratory, food and beverage, drinking water, etc.Specifications: YY-200B:Test function: EC conductivity/TDS total dissolved solid matter/temperatureAccuracy: ±2%EC conductivity: 0-9990um/cmTDS: 0-9990ppmTemperature: 0.1-80°C 32.°F-176.0°FPower supply: 2X1.5V button battery (not included)Product size: 15*2cmPH-2 PRO:Calibration method: 3-point automatic calib.