3-in-1 pH Meter - pH meter has a three-in-one function, can measure PH, TDS and temperature
Automatic Calibration pH Tester - With high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. And pH meter uses a 3-point calibration method, calibrating the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18,You can calibrate effortlessly to ensure the accuracy of your measurements.
ensure accurate and fast response. Green Backlit LCD Design guarantees that you can read the measuring results in any condition. On-button lock reading function helps lock reading even if the tester is taken out of the sample!
Automatic Temperature Compensation pH Meter Digital - No longer need to pay attention to the temperature of testing liquid, meter c